Fatal error: Uncaught Error: Interface "Doctrine\Common\Collections\Collection" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/doctrine/collections/lib/Doctrine/Common/Collections/AbstractLazyCollection.php:17 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/doctrine/collections/lib/Doctrine/Common/Collections/AbstractLazyCollection.php on line 17