Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Command\ContainerDebugCommand" not found in /var/www/html/festival/vendor/symfony/framework-bundle/Command/DebugAutowiringCommand.php:34 Stack trace: #0 {main} thrown in /var/www/html/festival/vendor/symfony/framework-bundle/Command/DebugAutowiringCommand.php on line 34