Fatal error: Uncaught Error: Class 'Doctrine\ORM\Id\AbstractIdGenerator' not found in C:\Apache24\htdocs\cwbts\vendor\symfony\doctrine-bridge\IdGenerator\UuidV4Generator.php:21 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwbts\vendor\symfony\doctrine-bridge\IdGenerator\UuidV4Generator.php on line 21