Fatal error: Uncaught Error: Call to a member function get() on null in /var/www/vhosts/greenbase-fachhaendler.de/budde.greenbase-fachhaendler.de/shopware/custom/plugins/IrmsArticleDispatchMode/Application/Service/ArticleStihlDataNormAttributeService.php:20 Stack trace: #0 /var/www/vhosts/greenbase-fachhaendler.de/budde.greenbase-fachhaendler.de/shopware/custom/plugins/IrmsArticleDispatchMode/Subscriber/ArticleDetailDispatchModeSubscriber.php(51): IrmsArticleDispatchMode\Application\Service\ArticleStihlDataNormAttributeService->getStihlDataNormAttributeValueFromArticle(NULL) #1 /var/www/vhosts/greenbase-fachhaendler.de/budde.greenbase-fachhaendler.de/shopware/engine/Library/Enlight/Event/Handler/Default.php(87): IrmsArticleDispatchMode\Subscriber\ArticleDetailDispatchModeSubscriber->applyDispatchModeText(Object(Enlight_Controller_ActionEventArgs)) #2 /var/www/vhosts/greenbase-fachhaendler.de/budde.greenbase-fachhaendler.de/shopware/engine/Library/Enlight/Event/EventManager.php(214): Enlight_Event_Handler_Default->execute( in /var/www/vhosts/greenbase-fachhaendler.de/budde.greenbase-fachhaendler.de/shopware/custom/plugins/IrmsArticleDispatchMode/Application/Service/ArticleStihlDataNormAttributeService.php on line 20