Fatal error: Uncaught Error: Class 'Doctrine\Persistence\Mapping\Driver\FileDriver' not found in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php:35 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/Driver/YamlDriver.php on line 35