Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Command\AbstractConfigCommand' not found in D:\workspaces\liZiPingBack\vendor\symfony\framework-bundle\Command\ConfigDebugCommand.php:33 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\framework-bundle\Command\ConfigDebugCommand.php on line 33