Fatal error: Uncaught Error: Class 'Doctrine\ORM\Query\ResultSetMapping' not found in C:\Landaweb\webs\server\vendor\doctrine\orm\lib\Doctrine\ORM\Query\ResultSetMappingBuilder.php:31 Stack trace: #0 {main} thrown in C:\Landaweb\webs\server\vendor\doctrine\orm\lib\Doctrine\ORM\Query\ResultSetMappingBuilder.php on line 31