Yes, there are people doing support on the forums, nathaningram, but this past week has been busy (at least for me).
I took a look at your image and website and it looks like the error is no longer showing up in your image gallery. Did you fix it yourself? I did a quick look before, but didn't really have much time for digging and I couldn't find 'which' anywhere in the code (the 'which' is what seemed to be throwing the error on the screenshot you provided).
Do you have any other insight into the issue at hand? Does the error come and go? Are you seeing it all the time? Are you viewing it on IE or does it show up on other browsers (I myself see no error when viewing in IE, Chrome, or Firefox). Can you elaborate more on where the error shows up (specific album or specific image perhaps?). Please let us know and we can try to help you fix the issue.