i guess then that I could also say, revert your ArchiCAD installation back to the version as issued on the CD and it should work then.
draw a wall, go to extras, wall accessories, wall framing, click on the wall, go to calculate menu, find lumber pack and presto.....
Think Like a Spec Writer
MacBook M4Pro
AC4.55 through 29 / AC29.0.1 USA
Rhino 8.25 Mac
MacOS Tahoe 26.1