Fatal error: Uncaught Error: Interface 'Doctrine\Migrations\Configuration\EntityManager\Exception\LoaderException' not found in /home/benjamincb/demos/acdg/vendor/doctrine/migrations/lib/Doctrine/Migrations/Configuration/EntityManager/Exception/InvalidConfiguration.php:13 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/migrations/lib/Doctrine/Migrations/Configuration/EntityManager/Exception/InvalidConfiguration.php on line 13