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() #1 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Event/Handler/Plugin.php(155): Shopware_Plugins_Frontend_DreiscArticleDropdownFilterExtended_Bootstrap->onPostDispatchFrontendDetail() #2 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Plugin->execute() #3 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Controller/Action.php(229): Enlight_Event_EventManager->notify() #4 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch() #5 /homepages/42/d629151019/htdocs/b2b/engine/Library/Enlight/Controller/Front.php(226): Enlight_Controller_Dispatcher_Default->dispatch() #6 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Kernel.php(195): Enlight_Controller_Front->dispatch() #7 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle() #8 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #9 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Components/HttpCache/AppCache.php(270): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward() #10 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(452): Shopware\Components\HttpCache\AppCache->forward() #11 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(346): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch() #12 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Components/HttpCache/AppCache.php(196): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup() #13 /homepages/42/d629151019/htdocs/b2b/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup() #14 /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle() #15 /homepages/42/d629151019/htdocs/b2b/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle() #16 {main} thrown in /homepages/42/d629151019/htdocs/b2b/engine/Shopware/Plugins/Community/Frontend/DreiscArticleDropdownFilterExtended/Bootstrap.php on line 563