you should probably contact Graphisoft Tech Support. STAT.
So much of the under the hood stuff is undocumented and I've been encountering all sorts of anomalous behaviours - especially in mixed platform networks.
Also, you should add a signature line in your profile to better describe the equipment you're using, AC version, etc. Cheers! and keep posting!
Think Like a Spec Writer
MacBook M4Pro
AC4.55 through 29 / AC29.0.1 USA
Rhino 8.25 Mac
MacOS Tahoe 26.1