Fatal error: Uncaught Error: Class 'Doctrine\Persistence\Mapping\AbstractClassMetadataFactory' not found in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php:50 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php on line 50