A PHP Error was encountered

Severity: Notice

Message: Undefined variable: chk_course_name

Filename: controllers/Support.php

Line Number: 272

Backtrace:

File: /home/himedia.co.kr/www/himedia/m/application/controllers/Support.php
Line: 272
Function: _error_handler

File: /home/himedia.co.kr/www/himedia/m/index.php
Line: 319
Function: require_once