fixing a code issue - 01/05/2018 19:09 EDT

hi, I have code which is working fine at one place but not working fine at another place, getting an error like this. Can you help me in fixing it. I can do screen share using webex. VM117146:37 TypeError: Cannot read property 'locked' of undefined at [login to view URL] ([login to view URL]) at [login to view URL] ([login to view URL]) at [login to view URL] ([login to view URL]) at _View_downlinkBulkUpdate0._handle_change_224_1 ([login to view URL]) at eval ([login to view URL]) at eval ([login to view URL]) at eval ([login to view URL]) at [login to view URL] ([login to view URL]) at [login to view URL] ([login to view URL]) at [login to view URL] ([login to view URL])