Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in C:\web\qhzyy\vendor\symfony\cache\DataCollector\CacheDataCollector.php:27 Stack trace: #0 {main} thrown in C:\web\qhzyy\vendor\symfony\cache\DataCollector\CacheDataCollector.php on line 27