Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/edmedu/www/edmeducation.co.kr/tw-dev/app/Http/Controllers/DashboardController.php:16 Stack trace: #0 {main} thrown in /home/edmedu/www/edmeducation.co.kr/tw-dev/app/Http/Controllers/DashboardController.php on line 16