Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Event\SchemaEventArgs' not found in /home/benjamincb/demos/acdg/vendor/doctrine/dbal/src/Event/SchemaAlterTableAddColumnEventArgs.php:17 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/dbal/src/Event/SchemaAlterTableAddColumnEventArgs.php on line 17