progeCAD support, tips and troubleshooting forum. progeCAD works very similar to some versions of AutoCAD. Moderated.

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#1253 by nmunoz
Sat Sep 18, 2010 1:02 am
When opening a file - it's opening the model as a layout instead - and coming with a error message of "invalid data".
The tabs at the bottom can not be changed back to model - and I am not sure if I continue to work on the file that it will save my work properly.
Saving the file gives coming up with "invalid data saved".

Can anyone suggest what's going on? and how I can restore my original file?