Fatal error: Uncaught Error: Class "Doctrine\ORM\Query\ResultSetMapping" not found in /home/projetwewv/www/licence00/symfony/vendor/doctrine/orm/lib/Doctrine/ORM/Query/ResultSetMappingBuilder.php:33 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/symfony/vendor/doctrine/orm/lib/Doctrine/ORM/Query/ResultSetMappingBuilder.php on line 33