Hi Pete,
I’m Anna from the Editor X Product team.
Would you mind reporting this through the feedback feature on your site if you haven’t yet? This would really help us investigate the issue.
Please include as much information as you can, such as screenshots, the pages you have Masters on and any steps you’ve taken so far to help us replicate the process on our end.
John, considering you reported this on a tech support call, our development team is probably looking into this and we will let you know once we have an update.
We do apologize for the experience you both had.
Thank you both for the feedback and for your patience!