Current questions and answers regarding the map editor.

Hey, I'm having a problem! I was creating a map, and I was using a mod. I saved it regularly, just in case, so I wouldn't have to redo too much later. Then, an error occurred, the editor crashed, and now the map won't open. When I try to launch it, I get an error message: "can't load \map storage location\.(The file may be corrupted, file version unsupported or you are trying to load the map from outside the [game installation folder]\ maps folder)". Can anyone help me, or at least tell me what might be causing this?
I added the FullEditor and DwellingsPack mods.