Fatal error: Uncaught Error: Class "Doctrine\ORM\Cache\CacheKey" not found in /home/ldt/public_html/canvas/udoit/vendor/doctrine/orm/src/Cache/CollectionCacheKey.php:15 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/doctrine/orm/src/Cache/CollectionCacheKey.php on line 15