a:6:{s:5:"%type";s:7:"Warning";s:8:"@message";O:25:"Drupal\Core\Render\Markup":1:{s:9:"*string";s:39:"Invalid argument supplied for foreach()";}s:9:"%function";s:64:"Drupal\cwh_product\Controller\ProductController->importDataNow()";s:5:"%file";s:98:"C:\Apache24\htdocs\cms_upgrade\web\modules\custom\cwh_product\src\Controller\ProductController.php";s:5:"%line";i:304;s:17:"@backtrace_string";s:473:"#0 C:\Apache24\htdocs\cms_upgrade\web\core\includes\bootstrap.inc(347): _drupal_error_handler_real(2, 'Invalid argumen...', 'C:\\Apache24\\htd...', 304)
#1 C:\Apache24\htdocs\cms_upgrade\web\modules\custom\cwh_product\src\Controller\ProductController.php(304): _drupal_error_handler(2, 'Invalid argumen...', 'C:\\Apache24\\htd...', 304, Array)
#2 C:\Apache24\htdocs\cms_upgrade\import_data.php(27): Drupal\cwh_product\Controller\ProductController->importDataNow()
#3 {main}";}