Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\AbstractSchemaManager" not found in /var/www/ticket-code/vendor/doctrine/dbal/src/Schema/MySQLSchemaManager.php:33 Stack trace: #0 {main} thrown in /var/www/ticket-code/vendor/doctrine/dbal/src/Schema/MySQLSchemaManager.php on line 33