Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\adminlte3\vendor\laravel\framework\src\Illuminate\Foundation 2\Support\Providers\AuthServiceProvider.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\vendor\laravel\framework\src\Illuminate\Foundation 2\Support\Providers\AuthServiceProvider.php on line 8