Fatal error: Uncaught Error: Class 'Doctrine\ORM\Mapping\ClassMetadataFactory' not found in D:\workspaces\liZiPingBack\vendor\doctrine\doctrine-bundle\Mapping\ClassMetadataFactory.php:11 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\doctrine-bundle\Mapping\ClassMetadataFactory.php on line 11