Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/doctrine/persistence/lib/Doctrine/Persistence/Event/LoadClassMetadataEventArgs.php:13 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/doctrine/persistence/lib/Doctrine/Persistence/Event/LoadClassMetadataEventArgs.php on line 13