Using Safari on phone. I did try my pc and that works fine. Sorry I didn’t think to do that earlier. Most of our reviewers will be using mobile devices though.
I am having a similar issue with all of my sites. On the front end when leaving a review customers can select the stars by pointing at the stars and it looks like they are all selected (5 star rating) but if they don’t also select the rating in the drop down menu it throws an error that the field wasn’t completed when they submit the review.
Found another post that talked about disabling NextGen Gallery. I did that and everything came back. Now I have to figure out why this is happening.