Fatal error: Uncaught Error: Class "Doctrine\DBAL\Event\SchemaEventArgs" not found in /home/slsiluser/public_html/service-portal/vendor/doctrine/dbal/src/Event/SchemaAlterTableRemoveColumnEventArgs.php:18 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal/vendor/doctrine/dbal/src/Event/SchemaAlterTableRemoveColumnEventArgs.php on line 18