Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/doctrine/doctrine-cache-bundle/DependencyInjection/DoctrineCacheExtension.php:19 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/doctrine/doctrine-cache-bundle/DependencyInjection/DoctrineCacheExtension.php on line 19