Fatal error: Uncaught Error: Class 'Illuminate\Queue\Queue' not found in /opt/lampp/htdocs/kuesioner/vendor/laravel/framework/src/Illuminate/Queue/DatabaseQueue.php:11 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/laravel/framework/src/Illuminate/Queue/DatabaseQueue.php on line 11