Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Bundle\Bundle' not found in D:\workspaces\liZiPingBack\vendor\sensio\framework-extra-bundle\src\SensioFrameworkExtraBundle.php:23 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\sensio\framework-extra-bundle\src\SensioFrameworkExtraBundle.php on line 23