Fatal error: Uncaught Error: Class 'Illuminate\Database\Grammar' not found in /opt/lampp/htdocs/kuesioner/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php:12 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php on line 12