Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Event\SchemaEventArgs' not found in C:\Landaweb\webs\server\vendor\doctrine\dbal\lib\Doctrine\DBAL\Event\SchemaAlterTableEventArgs.php:32 Stack trace: #0 {main} thrown in C:\Landaweb\webs\server\vendor\doctrine\dbal\lib\Doctrine\DBAL\Event\SchemaAlterTableEventArgs.php on line 32