Ok, so I am in the process of editing some drawings sent to me via an AutoCAD program with Solidworks 2013. The first 6 .dwg files went like a piece of cake, pretty quick, but now for the past three days no matter what I have tried, wether it be using eDrawings or Draftsight to edit the drawing to save it, solid works will not open the file. I get this error message.

Please Help

Message was edited by: Zach Wissen