|
Try running a repair on the program. Or a reinstall. If it was saved in a newer version, it would tell you something along the line of "The drawing file cannot be opened because it was created with a more recent version of AutoCAD".
__________________
180g DT, 125g Sump, 40g Frag, 40g Refugium,
Build: http://reefcentral.com/forums/showthread.php?t=2512584
|