Fatal error: Uncaught Error: Call to a member function getKey() on null in /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/custom/plugins/AntTableListing/Subscriber/Frontend.php:170 Stack trace: #0 /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/engine/Library/Enlight/Event/Handler/Default.php(90): AntTableListing\Subscriber\Frontend->onListingPostDispatch() #1 /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/engine/Library/Enlight/Event/EventManager.php(208): Enlight_Event_Handler_Default->execute() #2 /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/engine/Library/Enlight/Controller/Action.php(197): Enlight_Event_EventManager->notify() #3 /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/engine/Library/Enlight/Controller/Dispatcher/Default.php(461): Enlight_Controller_Action->dispatch() #4 /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/engine/Library/Enlight/Controller/Front.php(225): Enlight_Controller_Dispatcher_Default->dispatch() #5 /var/www/vhosts/meist in /var/www/vhosts/meisterfids-paff.de/httpdocs/shopware_live/custom/plugins/AntTableListing/Subscriber/Frontend.php on line 170