Revit unreal datasmith exporting error

hello all
i am getting the following error while trying to export my model from revit.

> object reference not set to an instance of an object

pls help , thank you :slight_smile:

We have a dedicated support site specifically for Unreal Studio & Datasmith. I recommend you post your issue there: https://unrealstudiohelp.epicgames.com/s/case-community-page

Cheers