Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface' not found in C:\xampp\htdocs\admin\vendor\symfony\http-kernel\DataCollector\DataCollector.php:29 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\symfony\http-kernel\DataCollector\DataCollector.php on line 29