Fatal error: Uncaught Error: Class "Doctrine\DBAL\Event\SchemaEventArgs" not found in /home/ovidiant/public_html/aaaaz/ovidiantech/vendor/doctrine/dbal/src/Event/SchemaAlterTableChangeColumnEventArgs.php:18 Stack trace: #0 {main} thrown in /home/ovidiant/public_html/aaaaz/ovidiantech/vendor/doctrine/dbal/src/Event/SchemaAlterTableChangeColumnEventArgs.php on line 18