Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/sensiolabs/security-checker/SensioLabs/Security/Command/SecurityCheckerCommand.php:22 Stack trace: #0 {main} thrown in /home/rankting/public_html/ALT/ranketing.de (contao)/vendor/sensiolabs/security-checker/SensioLabs/Security/Command/SecurityCheckerCommand.php on line 22