Got your project, thanks. It looks like we’re showing the wrong error message here - the Styled Text plugin can be found, but your page data, unfortunately, cannot.
Do you have a backup of the project at all? If you have an older version, I can merge it with this latest version so you don’t lose much. If you’d like me to take a look at that, send it in to support and they’ll pass it on. If you don’t, I can set the contents of the two broken pages back to empty values - that’ll allow you to carry on, and you could copy and paste the text back in from your published website maybe?
I suspect that this is due to a bug we’ve been tracking in macOS, and we’re working with Apple on it. If you end up speaking to our support team about this issue again, mention “the ScopedBoo problem”. They’ll know what you’re talking about. Unfortunately the only fix right now once you hit that issue is to reboot
Let me know what you end up doing.