Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Bundle\Bundle" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/installation-bundle/src/ContaoInstallationBundle.php:21 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/contao/installation-bundle/src/ContaoInstallationBundle.php on line 21