Fatal error: Uncaught TypeError: Argument 1 passed to Shopware\Components\ProductStream\FacetFilter::filter() must be of the type array, null given, called in /srv/springer/htdocs_sw/engine/Shopware/Controllers/Frontend/Listing.php on line 557 and defined in /srv/springer/htdocs_sw/engine/Shopware/Components/ProductStream/FacetFilter.php:84 Stack trace: #0 /srv/springer/htdocs_sw/engine/Shopware/Controllers/Frontend/Listing.php(557): Shopware\Components\ProductStream\FacetFilter->filter(NULL, Object(Shopware\Bundle\SearchBundle\Criteria)) #1 /srv/springer/htdocs_sw/engine/Shopware/Controllers/Frontend/Listing.php(85): Shopware_Controllers_Frontend_Listing->loadCategoryListing(NULL, Array) #2 /srv/springer/htdocs_sw/engine/Library/Enlight/Controller/Action.php(193): Shopware_Controllers_Frontend_Listing->indexAction() #3 /srv/springer/htdocs_sw/engine/Library/Enlight/Controller/Dispatcher/Default.php(549): Enlight_Controller_Action->dispatch('indexAction') #4 /srv/springer/htdocs_sw/engine/Library/Enlight/Controller/Front. in /srv/springer/htdocs_sw/engine/Shopware/Components/ProductStream/FacetFilter.php on line 84