Upon opening my current project file, AC reports:
Invalid elements were found in this project!
and
The errors were successfully fixed by Archicad
It 'fixed' whatever the problem was by deleting the stairs from my project (!)
It had taken me quite some time to get those stairs right. Now it looks like I have to do the work all over again.
Am I missing something?
Archicad 27 macOS Sonoma
