We just recieved 2014 C3D upgrade from 2012. I opened a 2012 dwg and saved in the 2013 file format. now when i attempt to open the drawing in 2014, C3D freezes while loading the drawing. It can't seem to get past "reading triangles from file". Weird thing is i can open a copy of the original 2012 DWG and work for minutes or hours in 2014 saving many times along the way and if i close the DWG and attemp to re-open, it freezes up everytime. I have done this same procedure with other DWG's and don't have any issues. Any Help would be great!!
i have tried opening the dwg in Recover and it will open but i recieve the attached message and all my C3D Capabilities are lost.
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