Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand' not found in /home/eberhardschwarze/public_html/vendor/lexik/maintenance-bundle/Command/DriverLockCommand.php:19 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/lexik/maintenance-bundle/Command/DriverLockCommand.php on line 19