Uncaught ReferenceError: track is not defined
The result is not valid JSON :
-------------------------------------



{"message_type":"","layout_srl":659,"title":"포탈 레이아웃","error":0,"message":"success"}
The result is not valid JSON :
-------------------------------------



{"message_type":"","layout_srl":68,"title":"welcome_mobile_layout","error":0,"message":"success"}