Thanks for posting this issue, and welcome to the Prismic community.
Is this happening for multiple users in different environments? My first question is: what happens if you switch to incognito mode, a different browser, or a different machine?
If that doesn't address the issue, could you let me know:
- The browser version that you're using
- Your repo name
- Any errors that you see in your Chrome Console
- A screenshot of the screen when you see "Error - Click to retry"
Thanks again! I hope we can get this resolved ASAP
PS: I'm on GMT, and I'll be off for the weekend by around 5pm.