Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Event\SchemaEventArgs' not found in /home/synap/fr/synap/dev/www/7/vendor/doctrine/dbal/lib/Doctrine/DBAL/Event/SchemaAlterTableEventArgs.php:34 Stack trace: #0 {main} thrown in /home/synap/fr/synap/dev/www/7/vendor/doctrine/dbal/lib/Doctrine/DBAL/Event/SchemaAlterTableEventArgs.php on line 34