Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Foundation\MaintenanceMode" not found in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Foundation\CacheBasedMaintenanceMode.php:9 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Foundation\CacheBasedMaintenanceMode.php on line 9