Fatal error: Uncaught Error: Call to a member function get() on null in /srv/users/rausch-production-2020/apps/rausch-production-2020/public/custom/plugins/Acid21DifferentArticleSliderImage/Subscriber/FrontSubscriber.php:45 Stack trace: #0 /srv/users/rausch-production-2020/apps/rausch-production-2020/public/engine/Library/Enlight/Event/Handler/Default.php(87): Acid21DifferentArticleSliderImage\Subscriber\FrontSubscriber->addSliderImageInDetail(Object(Enlight_Controller_ActionEventArgs)) #1 /srv/users/rausch-production-2020/apps/rausch-production-2020/public/engine/Library/Enlight/Event/EventManager.php(214): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs)) #2 /srv/users/rausch-production-2020/apps/rausch-production-2020/public/engine/Library/Enlight/Controller/Action.php(223): Enlight_Event_EventManager->notify('Enlight_Control...', Object(Enlight_Controller_ActionEventArgs)) #3 /srv/users/rausch-production-2020/apps/rausch-production-2020/public/engine/Library/Enlight/Controller/Dispatch in /srv/users/rausch-production-2020/apps/rausch-production-2020/public/custom/plugins/Acid21DifferentArticleSliderImage/Subscriber/FrontSubscriber.php on line 45