Fatal error: Uncaught Error: Interface "Doctrine\ORM\Persisters\Collection\CollectionPersister" not found in I:\www\picman\vendor\doctrine\orm\src\Persisters\Collection\AbstractCollectionPersister.php:16 Stack trace: #0 {main} thrown in I:\www\picman\vendor\doctrine\orm\src\Persisters\Collection\AbstractCollectionPersister.php on line 16