Fatal error: Uncaught Error: Class 'Symfony\Component\Uid\Uuid' not found in E:\xampp\htdocs\www\yunwei\qr2500\vendor\symfony\uid\UuidV4.php:19 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\yunwei\qr2500\vendor\symfony\uid\UuidV4.php on line 19