When opening specific Mechanical/Plumbing documents, I keep getting this error message. Is there anything that can be done to resolve this. I am using AutoCAD MEP 2010 software and the documens that I am trying to open were saved in AutoCAD MEP 2010 from a AutoCAD MEP 2012 platform. Thanks.
![Autodesk Design & Make Report](https://forums.autodesk.com/t5/image/serverpage/image-id/1350519iCB55845EBFC43016/image-size/large?v=v2&px=999" "Autodesk Design & Make Report")
