Fatal error: Uncaught Error: Call to undefined function app() in /home/edmedu/www/hana-edu.co.kr/sf4l/storage/framework/views/654a6c1d84126666fdff21535efc560c3a91328c.php:5 Stack trace: #0 {main} thrown in /home/edmedu/www/hana-edu.co.kr/sf4l/storage/framework/views/654a6c1d84126666fdff21535efc560c3a91328c.php on line 5