Error message: "drawing file is not valid"

maxencefonta

Estimable
Nov 6, 2014
1
0
4,510
I'm using version 2004. A friend sent me two files (generated by someone other than him).
When I tried to open the files in version 04 (which is what I use)... I've got the same error message (drawing file is not valid).

Any help would be appreciated. Thank you.