Fatal error: Uncaught Error: Class "Doctrine\ORM\Query\SqlOutputWalker" not found in /home/smagamf/chloe_garden/vendor/doctrine/orm/tests/Tests/Mocks/NullSqlWalker.php:17 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/doctrine/orm/tests/Tests/Mocks/NullSqlWalker.php on line 17