ackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:552;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:553;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:554;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:555;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:556;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:557;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:558;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:559;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:560;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:561;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:562;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:563;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:564;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:565;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:566;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:567;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:568;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:569;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:570;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:571;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:572;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:573;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:574;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:575;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:576;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:577;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:578;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:579;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:580;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:581;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:582;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:583;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:584;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:585;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:586;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:587;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:588;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:589;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:590;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:591;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:592;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:593;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:594;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:595;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:596;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:597;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:598;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:599;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:600;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1794:\"<em class=\"placeholder\">Warning</em>: array_chunk() expects parameter 1 to be array, int given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray()</em> (line <em class=\"placeholder\">228</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray(71, 24) (Line: 109)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:601;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1788:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray()</em> (line <em class=\"placeholder\">230</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray(71, 24) (Line: 109)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:602;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1918:\"<em class=\"placeholder\">Notice</em>: Undefined variable: status_code in <em class=\"placeholder\">Drupal\\sonata_api\\services\\RestRequestService-&gt;api_request()</em> (line <em class=\"placeholder\">113</em> of <em class=\"placeholder\">modules\\custom\\sonata_api\\src\\services\\RestRequestService.php</em>). <pre class=\"backtrace\">Drupal\\sonata_api\\services\\RestRequestService-&gt;api_request(&#039;GET_LISTING_QTY&#039;, &#039;&#039;, &#039;post&#039;, Array) (Line: 863)\nDrupal\\cwh_product\\Controller\\ProductController-&gt;get_listing_available_quantities(Array) (Line: 76)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:603;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:604;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:605;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:606;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:607;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:608;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:609;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:610;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:611;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:612;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:613;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:614;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:615;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:616;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:617;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:618;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:619;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:620;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:621;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:622;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:623;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:624;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:625;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:626;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:627;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:628;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:629;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:630;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:631;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:632;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:633;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:634;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:635;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:636;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:637;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:638;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:639;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:640;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:641;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:642;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:643;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:644;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:645;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:646;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:647;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:648;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:649;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:650;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:651;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:652;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:653;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:654;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:655;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:656;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:657;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:658;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:659;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:660;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:661;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:662;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:663;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:664;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:665;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:666;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:667;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:668;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:669;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:670;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:671;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:672;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:673;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:674;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:675;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:676;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:677;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:678;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:679;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:680;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:681;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:682;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:683;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:684;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:685;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:686;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:687;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:688;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:689;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:690;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:691;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:692;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:693;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:694;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:695;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:696;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:697;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:698;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:699;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1796:\"<em class=\"placeholder\">Warning</em>: array_chunk() expects parameter 1 to be array, int given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray()</em> (line <em class=\"placeholder\">228</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray(1354, 24) (Line: 109)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:700;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1790:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray()</em> (line <em class=\"placeholder\">230</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray(1354, 24) (Line: 109)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:701;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1918:\"<em class=\"placeholder\">Notice</em>: Undefined variable: status_code in <em class=\"placeholder\">Drupal\\sonata_api\\services\\RestRequestService-&gt;api_request()</em> (line <em class=\"placeholder\">113</em> of <em class=\"placeholder\">modules\\custom\\sonata_api\\src\\services\\RestRequestService.php</em>). <pre class=\"backtrace\">Drupal\\sonata_api\\services\\RestRequestService-&gt;api_request(&#039;GET_LISTING_QTY&#039;, &#039;&#039;, &#039;post&#039;, Array) (Line: 863)\nDrupal\\cwh_product\\Controller\\ProductController-&gt;get_listing_available_quantities(Array) (Line: 76)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:702;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:703;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:704;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:705;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:706;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:707;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:708;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:709;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:710;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:711;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:712;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:713;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:714;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:715;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:716;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:717;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:718;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:719;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:720;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:721;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:722;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:723;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:724;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:725;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:726;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:727;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:728;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:729;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:730;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:731;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:732;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:733;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:734;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:735;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:736;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:737;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:738;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:739;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:740;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:741;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:742;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:743;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:744;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:745;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:746;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:747;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:748;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:749;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:750;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:751;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:752;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:753;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:754;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:755;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:756;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:757;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:758;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:759;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:760;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:761;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:762;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:763;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:764;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:765;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:766;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:767;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:768;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:769;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:770;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:771;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:772;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:773;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:774;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:775;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:776;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:777;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:778;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:779;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:780;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:781;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:782;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:783;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:784;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:785;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:786;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:787;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:788;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:789;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:790;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:791;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:792;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:793;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:794;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:795;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:796;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:797;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:798;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1796:\"<em class=\"placeholder\">Warning</em>: array_chunk() expects parameter 1 to be array, int given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray()</em> (line <em class=\"placeholder\">228</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray(1306, 24) (Line: 109)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:799;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1790:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray()</em> (line <em class=\"placeholder\">230</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;pagerArray(1306, 24) (Line: 109)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:800;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1918:\"<em class=\"placeholder\">Notice</em>: Undefined variable: status_code in <em class=\"placeholder\">Drupal\\sonata_api\\services\\RestRequestService-&gt;api_request()</em> (line <em class=\"placeholder\">113</em> of <em class=\"placeholder\">modules\\custom\\sonata_api\\src\\services\\RestRequestService.php</em>). <pre class=\"backtrace\">Drupal\\sonata_api\\services\\RestRequestService-&gt;api_request(&#039;GET_LISTING_QTY&#039;, &#039;&#039;, &#039;post&#039;, Array) (Line: 863)\nDrupal\\cwh_product\\Controller\\ProductController-&gt;get_listing_available_quantities(Array) (Line: 76)\nDrupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:801;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:802;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:803;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:804;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:805;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:806;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:807;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:808;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:809;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:810;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:811;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:812;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:813;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:814;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:815;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:816;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:817;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:818;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:819;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:820;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:821;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:822;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:823;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:824;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:825;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:826;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:827;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:828;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:829;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:830;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1713:\"<em class=\"placeholder\">Warning</em>: array_key_exists() expects parameter 2 to be array, null given in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">80</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:831;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1693:\"<em class=\"placeholder\">Notice</em>: Undefined variable: variant_master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:832;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1701:\"<em class=\"placeholder\">Notice</em>: Trying to access array offset on value of type null in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr()</em> (line <em class=\"placeholder\">86</em> of <em class=\"placeholder\">modules\\custom\\sonata_solr\\src\\Controller\\SonataSolrController.php</em>). <pre class=\"backtrace\">Drupal\\sonata_solr\\Controller\\SonataSolrController-&gt;searchSolr(NULL)\ncall_user_func_array(Array, Array) (Line: 123)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 564)\nDrupal\\Core\\Render\\Renderer-&gt;executeInRenderContext(Object, Object) (Line: 124)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)\nDrupal\\Core\\EventSubscriber\\EarlyRenderingControllerWrapperSubscriber-&gt;Drupal\\Core\\EventSubscriber\\{closure}() (Line: 158)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handleRaw(Object, 1) (Line: 80)\nSymfony\\Component\\HttpKernel\\HttpKernel-&gt;handle(Object, 1, 1) (Line: 58)\nDrupal\\Core\\StackMiddleware\\Session-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\KernelPreHandle-&gt;handle(Object, 1, 1) (Line: 106)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;pass(Object, 1, 1) (Line: 85)\nDrupal\\page_cache\\StackMiddleware\\PageCache-&gt;handle(Object, 1, 1) (Line: 48)\nDrupal\\Core\\StackMiddleware\\ReverseProxyMiddleware-&gt;handle(Object, 1, 1) (Line: 51)\nDrupal\\Core\\StackMiddleware\\NegotiationMiddleware-&gt;handle(Object, 1, 1) (Line: 23)\nStack\\StackedHttpKernel-&gt;handle(Object, 1, 1) (Line: 709)\nDrupal\\Core\\DrupalKernel-&gt;handle(Object) (Line: 19)\n</pre>\";}i:833;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1685:\"<em class=\"placeholder\">Notice</em>: Undefined variable: master_products in <em class=\"placeholder\">Drupal\\sonata_solr\\Controller\\SonataSolrControlle