Fatal error: Uncaught Error: Call to a member function get() on null in /www/htdocs/w0139b4c/koelle.greenbase-fachhaendler.de/shopware/custom/plugins/IrmsArticleDispatchMode/Application/Service/ArticleStihlDataNormAttributeService.php:20 Stack trace: #0 /www/htdocs/w0139b4c/koelle.greenbase-fachhaendler.de/shopware/custom/plugins/IrmsArticleDispatchMode/Subscriber/ArticleDetailDispatchModeSubscriber.php(51): IrmsArticleDispatchMode\Application\Service\ArticleStihlDataNormAttributeService->getStihlDataNormAttributeValueFromArticle(NULL) #1 /www/htdocs/w0139b4c/koelle.greenbase-fachhaendler.de/shopware/engine/Library/Enlight/Event/Handler/Default.php(91): IrmsArticleDispatchMode\Subscriber\ArticleDetailDispatchModeSubscriber->applyDispatchModeText(Object(Enlight_Controller_ActionEventArgs)) #2 /www/htdocs/w0139b4c/koelle.greenbase-fachhaendler.de/shopware/engine/Library/Enlight/Event/EventManager.php(218): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs)) #3 /www/htdocs/w0139b4c/koelle.green in /www/htdocs/w0139b4c/koelle.greenbase-fachhaendler.de/shopware/custom/plugins/IrmsArticleDispatchMode/Application/Service/ArticleStihlDataNormAttributeService.php on line 20