Fatal error: Uncaught Error: Class "Doctrine\Persistence\Mapping\Driver\FileDriver" not found in /home/marcgron/www/SSA/v2/vendor/doctrine/persistence/src/Mapping/Driver/PHPDriver.php:20 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/doctrine/persistence/src/Mapping/Driver/PHPDriver.php on line 20