Fatal error: Uncaught TypeError: Argument 1 passed to Shopware\Components\Compatibility\LegacyStructConverter::convertListProductStruct() must be an instance of Shopware\Bundle\StoreFrontBundle\Struct\ListProduct, null given, called in /var/www/clients/client1/web90/web/custom/plugins/HutKaufenMain/HutKaufenMain.php on line 222 and defined in /var/www/clients/client1/web90/web/engine/Shopware/Components/Compatibility/LegacyStructConverter.php:307 Stack trace: #0 /var/www/clients/client1/web90/web/custom/plugins/HutKaufenMain/HutKaufenMain.php(222): Shopware\Components\Compatibility\LegacyStructConverter->convertListProductStruct(NULL) #1 /var/www/clients/client1/web90/web/engine/Library/Enlight/Event/Handler/Default.php(91): HutKaufenMain\HutKaufenMain->onDetail(Object(Enlight_Controller_ActionEventArgs)) #2 /var/www/clients/client1/web90/web/engine/Library/Enlight/Event/EventManager.php(220): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs)) #3 /var/www/clients/client1/web90/web/engine/Li in /var/www/clients/client1/web90/web/engine/Shopware/Components/Compatibility/LegacyStructConverter.php on line 307