I spent part of last evening working on a sizeable project in Masterplan. When I went to save my progress, I got this error message:  This message comes up regardless of where I choose to save it, or what I give it for a file name.
I spent part of last evening working on a sizeable project in Masterplan. When I went to save my progress, I got this error message:
This message comes up regardless of where I choose to save it, or what I give it for a file name.