Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/projetwewv/www/sel/vendor/doctrine/doctrine-migrations-bundle/DependencyInjection/DoctrineMigrationsExtension.php:28 Stack trace: #0 {main} thrown in /home/projetwewv/www/sel/vendor/doctrine/doctrine-migrations-bundle/DependencyInjection/DoctrineMigrationsExtension.php on line 28