Fatal error: Uncaught Error: Interface "Psr\Container\ContainerInterface" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/symfony/service-contracts/ServiceProviderInterface.php:22 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/symfony/service-contracts/ServiceProviderInterface.php on line 22