r-&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:834;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:835;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:836;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:837;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:838;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:839;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:840;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:841;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:842;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:843;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:844;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:845;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:846;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:847;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:848;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:849;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:850;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:851;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:852;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:853;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:854;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:855;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:856;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:857;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:858;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:859;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:860;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:861;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:862;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:863;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:864;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:865;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:866;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:867;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:868;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:869;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:870;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:871;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:872;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:873;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:874;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:875;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:876;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:877;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:878;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:879;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:880;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:881;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:882;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:883;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:884;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:885;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:886;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:887;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:888;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:889;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:890;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:891;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:892;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:893;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:894;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:895;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:896;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:897;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1795:\"<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(178, 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:898;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1789:\"<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(178, 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:899;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:900;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:901;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:902;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:903;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:904;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:905;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:906;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:907;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:908;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:909;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:910;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:911;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:912;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:913;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:914;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:915;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:916;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:917;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:918;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:919;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:920;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:921;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:922;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:923;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:924;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:925;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:926;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:927;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:928;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:929;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:930;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:931;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:932;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:933;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:934;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:935;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:936;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:937;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:938;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:939;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:940;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:941;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:942;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:943;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:944;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:945;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:946;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:947;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:948;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:949;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:950;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:951;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:952;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:953;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:954;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:955;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:956;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:957;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:958;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:959;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:960;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:961;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:962;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:963;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:964;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:965;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:966;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:967;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:968;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:969;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:970;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:971;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:972;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:973;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:974;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:975;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:976;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:977;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:978;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:979;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:980;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:981;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:982;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:983;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:984;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:985;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:986;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:987;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:988;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:989;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:990;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:991;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:992;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:993;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:994;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:995;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:996;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1795:\"<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(268, 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:997;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1789:\"<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(268, 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:998;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:999;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:1000;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:1001;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:1002;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:1003;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:1004;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:1005;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:1006;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:1007;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:1008;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:1009;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:1010;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:1011;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:1012;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:1013;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:1014;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:1015;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:1016;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:1017;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:1018;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:1019;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:1020;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:1021;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:1022;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:1023;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:1024;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:1025;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:1026;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:1027;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:1028;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:1029;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:1030;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:1031;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:1032;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:1033;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:1034;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:1035;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:1036;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:1037;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:1038;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:1039;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:1040;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:1041;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:1042;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:1043;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:1044;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:1045;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:1046;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:1047;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:1048;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:1049;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:1050;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:1051;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:1052;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:1053;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:1054;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:1055;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:1056;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:1057;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:1058;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:1059;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:1060;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:1061;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:1062;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:1063;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:1064;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:1065;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:1066;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:1067;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:1068;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:1069;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:1070;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:1071;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:1072;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:1073;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:1074;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:1075;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:1076;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:1077;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:1078;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:1079;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:1080;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:1081;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:1082;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:1083;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:1084;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:1085;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:1086;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:1087;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:1088;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:1089;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:1090;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:1091;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:1092;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:1093;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:1094;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:1095;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1795:\"<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(790, 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:1096;O:25:\"Drupal\\Core\\Render\\Markup\":1:{s:9:\"\0*\0string\";s:1789:\"<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(790, 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:1097;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:1098;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:1099;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:1100;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:1101;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:1102;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:1103;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:1104;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:1105;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:1106;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:1107;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:1108;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:1109;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:1110;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:1111;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:1112;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:1113;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:1114;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\\SonataSolrC