submitted review not showing up in backend

Hi,

I just updated the plugin to the latest version. After that I tried to create a new review.
But the review does not show up in the backend for approval. Also the “thank you for your review” message is not shown. It just says “Your review is being submitted. Please wait a moment” and jumps back to the top of the page.

By the way: When I deactivate the photo review plugin, the review process works fine and the review shows up in the backend for approval.

Thanks in advance and best regards,
Christina