Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\File\File' not found in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Http\File.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Http\File.php on line 7