Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/edmedu/www/hana-edu.co.kr/sf4l/app/Http/Controllers/SysController.php:13 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/sf4l/app/Http/Controllers/SysController.php on line 13