Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\proje-adi\vendor\laravel\framework\src\Illuminate\Testing\ParallelTestingServiceProvider.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\proje-adi\vendor\laravel\framework\src\Illuminate\Testing\ParallelTestingServiceProvider.php on line 9