Fatal error: Uncaught TypeError: Argument 1 passed to GcmProductDesigner\Components\Repository\Article::hasGcmTemplate() must be of the type integer, null given, called in /home/www/stickin24.de/custom/plugins/GcmProductDesigner/Subscriber/Frontend.php on line 65 and defined in /home/www/stickin24.de/custom/plugins/GcmProductDesigner/Components/Repository/Article.php:29 Stack trace: #0 /home/www/stickin24.de/custom/plugins/GcmProductDesigner/Subscriber/Frontend.php(65): GcmProductDesigner\Components\Repository\Article->hasGcmTemplate(NULL) #1 /home/www/stickin24.de/engine/Library/Enlight/Event/Handler/Default.php(91): GcmProductDesigner\Subscriber\Frontend->includeGCMDesigner(Object(Enlight_Controller_ActionEventArgs)) #2 /home/www/stickin24.de/engine/Library/Enlight/Event/EventManager.php(219): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs)) #3 /home/www/stickin24.de/engine/Library/Enlight/Controller/Action.php(224): Enlight_Event_EventManager->notify('Enlight_Control...', Object(Enligh in /home/www/stickin24.de/custom/plugins/GcmProductDesigner/Components/Repository/Article.php on line 29