When i try to save something as DXF i sometimes get the following error : Invalid or Incomplete DXF/DWG input file. Unable to continue import translation

Hello everyone,

When i try to save something as DXF i sometimes get the following error : Invalid or Incomplete DXF/DWG input file. Unable to continue import translation.

Its not all the time, and the strange thing is that i dont try to import saomething but i am trying to save a part. I'm working with solidworks 2016 and windows 10.

I hope anyone can help me.

Greetings Robbert

SolidworksImport export