Fatal error: Uncaught Error: Interface 'App\Core\Api\Services\Contracts\ILevelService' not found in /home/wwiwil/apps/iwill-laravel/app/Core/Api/Services/LevelService.php:7 Stack trace: #0 {main} thrown in /home/wwiwil/apps/iwill-laravel/app/Core/Api/Services/LevelService.php on line 7