Internal Error when open DWG file on C3D 2017

[CNinBC]

Does anyone have an idea what this is about? Thanks.

[CNinBC · Accepted solution]

I have instructed the CAD user to reset his user profile, seems to be fine now. I also came across the web page linked below for another solution may work as well.

https://knowledge.autodesk.com/support/autocad-civil-3d/troubleshooting/caas/sfdcarticles/sfdcarticl...