Error: 'asci' codec can't decode bye 0xcd in position 225: original not in range(128)

I just emailed support, but maybe someone else has advice. I am getting the following error:

I think is due to Burmese font issues. Currently both answers are set to YES as the answer for the qeustions before, but I change the skip logic to “NO” in burmese then the form no longer works.

Any suggestions as to why this might be?