Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /opt/lampp/htdocs/msjlocker/vendor/laravel-frontend-presets/argon/src/argon-stubs/app/Providers/AppServiceProvider.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjlocker/vendor/laravel-frontend-presets/argon/src/argon-stubs/app/Providers/AppServiceProvider.php on line 7