Fatal error: Uncaught Error: Interface "Doctrine\ORM\Cache\CollectionHydrator" not found in /home/zdpktgd/ptc/vendor.old/doctrine/orm/src/Cache/DefaultCollectionHydrator.php:20 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/doctrine/orm/src/Cache/DefaultCollectionHydrator.php on line 20