Fatal error: Uncaught Error: Class 'Illuminate\Support\AggregateServiceProvider' not found in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Foundation\Providers\FoundationServiceProvider.php:13 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Foundation\Providers\FoundationServiceProvider.php on line 13