Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Event\SchemaEventArgs' not found in C:\Landaweb\webs\landaweb\backend\vendor\doctrine\dbal\lib\Doctrine\DBAL\Event\SchemaAlterTableAddColumnEventArgs.php:33 Stack trace: #0 {main} thrown in C:\Landaweb\webs\landaweb\backend\vendor\doctrine\dbal\lib\Doctrine\DBAL\Event\SchemaAlterTableAddColumnEventArgs.php on line 33