Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\RouterDataCollector' not found in C:\xampp\htdocs\plugins\Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector.php on line 23