Fatal error: Uncaught Error: Class "Doctrine\DBAL\Event\SchemaEventArgs" not found in /home/projetwewv/www/licence00/symfony/vendor/doctrine/dbal/lib/Doctrine/DBAL/Event/SchemaColumnDefinitionEventArgs.php:12 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/symfony/vendor/doctrine/dbal/lib/Doctrine/DBAL/Event/SchemaColumnDefinitionEventArgs.php on line 12