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