Fatal error: Uncaught Error: Call to undefined function Open_Div() in /www/wwwroot/hanoisoft/framework/config/main.php:1214
Stack trace:
#0 /www/wwwroot/hanoisoft/code_chung/view_chitiet/main.php(212): thongbao_loi()
#1 /www/wwwroot/hanoisoft/code_chung/view_chitiet/main.php(392): HnsMain->main_2020()
#2 /www/wwwroot/hanoisoft/index.php(47): HnsMain->main()
#3 {main}
thrown in /www/wwwroot/hanoisoft/framework/config/main.php on line 1214