Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /opt/lampp/htdocs/msjuniform/vendor/laravel-frontend-presets/argon/src/argon-stubs/app/Http/Controllers/RegisterController.php:8 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjuniform/vendor/laravel-frontend-presets/argon/src/argon-stubs/app/Http/Controllers/RegisterController.php on line 8