Fatal error: Uncaught Error: Class "Doctrine\Common\Persistence\PersistentObject" not found in /home/smagamf/chloe_garden/vendor/doctrine/orm/tests/Tests/Models/PersistentObject/PersistentCollectionHolder.php:17 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/doctrine/orm/tests/Tests/Models/PersistentObject/PersistentCollectionHolder.php on line 17