Fatal error: Uncaught Error: Class 'Doctrine\ORM\Query\ResultSetMapping' not found in C:\Apache24\htdocs\vehicle\vendor\doctrine\orm\lib\Doctrine\ORM\Query\ResultSetMappingBuilder.php:33 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vehicle\vendor\doctrine\orm\lib\Doctrine\ORM\Query\ResultSetMappingBuilder.php on line 33