Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in C:\Apache24\htdocs\test-project-sym\vendor\symfony\framework-bundle\DataCollector\AbstractDataCollector.php:19 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\test-project-sym\vendor\symfony\framework-bundle\DataCollector\AbstractDataCollector.php on line 19