Fatal error: Uncaught Error: Class 'Illuminate\Queue\QueueManager' not found in /opt/lampp/htdocs/kuesioner/vendor/laravel/framework/src/Illuminate/Support/Testing/Fakes/QueueFake.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/laravel/framework/src/Illuminate/Support/Testing/Fakes/QueueFake.php on line 9