Fatal error: Uncaught Error: Interface "Doctrine\ORM\Cache\QueryCacheValidator" not found in /home/astechc1/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Cache/TimestampQueryCacheValidator.php:9 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/doctrine/orm/lib/Doctrine/ORM/Cache/TimestampQueryCacheValidator.php on line 9