Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Logging\DebugStack' not found in D:\workspaces\liZiPingBack\vendor\doctrine\doctrine-bundle\Dbal\Logging\BacktraceLogger.php:12 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\doctrine-bundle\Dbal\Logging\BacktraceLogger.php on line 12