Fatal error: Uncaught Error: Interface 'Doctrine\Persistence\Mapping\ClassMetadata' not found in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php:101 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php on line 101