Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /opt/lampp/htdocs/kuesioner/vendor/laravel/tinker/src/TinkerServiceProvider.php:10 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/laravel/tinker/src/TinkerServiceProvider.php on line 10