Fatal error: Uncaught Error: Class "Illuminate\Queue\QueueManager" not found in C:\wamp64\houda\vendor\laravel\framework\src\Illuminate\Support\Testing\Fakes\QueueFake.php:28 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\laravel\framework\src\Illuminate\Support\Testing\Fakes\QueueFake.php on line 28