Fatal error: Uncaught Error: Interface "Doctrine\ORM\Cache\CollectionHydrator" not found in /home/ldt/public_html/canvas/udoit/vendor/doctrine/orm/src/Cache/DefaultCollectionHydrator.php:19 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/doctrine/orm/src/Cache/DefaultCollectionHydrator.php on line 19