Fatal error: Uncaught Error: Class "Doctrine\ORM\Query\SqlWalker" not found in /home/pataplou/www/patrick/pataplouf/vendor/doctrine/orm/tests/Doctrine/Tests/Mocks/NullSqlWalker.php:15 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/doctrine/orm/tests/Doctrine/Tests/Mocks/NullSqlWalker.php on line 15