Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\Backend_v.004\vendor\laravel\passport\src\PassportServiceProvider.php:30 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Backend_v.004\vendor\laravel\passport\src\PassportServiceProvider.php on line 30