Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Plugins/Community/Frontend/DreiscArticleDropdownFilterExtended/Bootstrap.php:563 Stack trace: #0 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Plugins/Community/Frontend/DreiscArticleDropdownFilterExtended/Bootstrap.php(563): in_array(483, NULL) #1 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Event/Handler/Plugin.php(155): Shopware_Plugins_Frontend_DreiscArticleDropdownFilterExtended_Bootstrap->onPostDispatchFrontendDetail(Object(Enlight_Controller_ActionEventArgs)) #2 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Plugin->execute(Object(Enlight_Controller_ActionEventArgs)) #3 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Controller/Action.php(229): Enlight_Event_EventManager->notify('Enlight_Control...', Object(Enlight_Controller_ActionEventArgs)) #4 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch('indexAction') #5 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Controller/Front.php(225): Enlight_Controller_Dispatcher_Default->dispatch(Object(Enlight_Controller_Request_RequestHttp), Object(Enlight_Controller_Response_ResponseHttp)) #6 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Kernel.php(197): Enlight_Controller_Front->dispatch() #7 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #8 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle(Object(Shopware\Kernel), Object(Symfony\Component\HttpFoundation\Request), 1, true) #9 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Components/HttpCache/AppCache.php(266): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #10 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(452): Shopware\Components\HttpCache\AppCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #11 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(346): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #12 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Components/HttpCache/AppCache.php(192): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #13 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #14 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #15 /homepages/42/d629151019/htdocs/b2b/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #16 {main} thrown in /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Plugins/Community/Frontend/DreiscArticleDropdownFilterExtended/Bootstrap.php on line 563