Fatal error: Uncaught Error: Class "Illuminate\Bus\Batch" not found in D:\Apache24\www\qilu\back-end\vendor\laravel\framework\src\Illuminate\Support\Testing\Fakes\BatchFake.php:10 Stack trace: #0 {main} thrown in D:\Apache24\www\qilu\back-end\vendor\laravel\framework\src\Illuminate\Support\Testing\Fakes\BatchFake.php on line 10