Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in C:\xampp\htdocs\dpbb\vendor\laravel\fortify\stubs\FortifyServiceProvider.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\dpbb\vendor\laravel\fortify\stubs\FortifyServiceProvider.php on line 15