Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in /var/www/html/XYZCodes/vendor/symfony/serializer/Command/DebugCommand.php:31 Stack trace: #0 {main} thrown in /var/www/html/XYZCodes/vendor/symfony/serializer/Command/DebugCommand.php on line 31