Error with Wix Booking check out page

Hi everyone,
I have a problem with setting up my check out page in Wix. The booking app (service, prices…) is all set up but I can’t edit the check out, it shows:

Has anyone experienced this before or knows how to solve it? I would be incredibly grateful to hear your solutions! My site is online, but the bookings can’t be finalized. THX!!! Marcia

This forum is dedicated to Corvid. For questions that are not related to code you can contact the Wix support team . You’ll get better help for your problem there.