Fatal error: Uncaught Error: Call to a member function getTax() on null in /html/shopware/custom/plugins/ArboroNetDisplay/Subscriber/Frontend.php:54 Stack trace: #0 /html/shopware/engine/Library/Enlight/Event/Handler/Default.php(87): ArboroNetDisplay\Subscriber\Frontend->onPostDispatch(Object(Enlight_Controller_ActionEventArgs)) #1 /html/shopware/engine/Library/Enlight/Event/EventManager.php(214): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs)) #2 /html/shopware/engine/Library/Enlight/Controller/Action.php(212): Enlight_Event_EventManager->notify('Enlight_Control...', Object(Enlight_Controller_ActionEventArgs)) #3 /html/shopware/engine/Library/Enlight/Controller/Dispatcher/Default.php(478): Enlight_Controller_Action->dispatch('errorAction') #4 /html/shopware/engine/Library/Enlight/Controller/Front.php(228): Enlight_Controller_Dispatcher_Default->dispatch(Object(Enlight_Controller_Request_RequestHttp), Object(Enlight_Controller_Response_ResponseHttp)) #5 /html/shopware/engine/Shopware/Ker in /html/shopware/custom/plugins/ArboroNetDisplay/Subscriber/Frontend.php on line 54