Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Configuration' not found in D:\workspaces\liZiPingBack\vendor\doctrine\orm\lib\Doctrine\ORM\Configuration.php:64 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\orm\lib\Doctrine\ORM\Configuration.php on line 64