It's not helpful if the AI in Archicad, cannot give you a straight
answer. I have gone the Tapir way to implement, but still struggling.
ArchiCAD will definitely drop the ball if they don't jump at this in
time.
I'm on ArchiCAD 29, now facing the same problem, Closed and open again,
restarted PC and opened again, still no Shadows. But only in one
specific Project, other projects have shadows working. I ran a Sun
study, and after that my Shadows disappeared.Then I found something tha...
Did you ever fix this problem? I have a similar issue where the 0,0,0 is
in the middle of my Archicad 27 project. But when I send it to Lumion
via Livesync, the file in Lumion 12.5, is miles away from the 0 Lumion
point.