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I have a simple 3D-BIM-Modell and 4 "section objects". When I call "bimsectionupdate" and ..
Can you file a support request and add the model you are having this issue with? Our support analyst will be glad to check what goes wrong and help you out.
I'm too late for this issue. Suddenly it worked fine again and I didn't save the critical DWG. If it happens again I will make a SR.