Fatal error: Uncaught Error: Class 'Illuminate\Support\Facades\Facade' not found in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Support\Facades\DB.php:39 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Support\Facades\DB.php on line 39