Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in D:\workspaces\liZiPingBack\vendor\symfony\security-bundle\DataCollector\SecurityDataCollector.php:40 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\security-bundle\DataCollector\SecurityDataCollector.php on line 40