Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\File\File' not found in E:\xampp\htdocs\www\key1\vendor\symfony\http-foundation\File\UploadedFile.php:25 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\key1\vendor\symfony\http-foundation\File\UploadedFile.php on line 25