Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in E:\xampp\htdocs\www\key\vendor\laravel\framework\src\Illuminate\Foundation\Providers\FormRequestServiceProvider.php:11 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\key\vendor\laravel\framework\src\Illuminate\Foundation\Providers\FormRequestServiceProvider.php on line 11