DXF will not save in 1.0.2

Summary:

... (Hello we use the Bitmap Trace option in Inkscape all the time. As of this morning when we try to save as DXF after the trace we are getting a error mesage saying it cannot be saved. I am not sure what else to do as we are following the sames steps as we have for years)

Steps to reproduce:

• open Inkscape
• ...

What happened?

...

What should have happened?

...