Okay, thank you! That seems totally strange to me that you would have to load up a level first, then use the /map command ..., the /map command doesn't work the same from the main menu.

I cannot figure out how to resume editing a map I was working on. I saved the map in F1 (edit) mode under the menu: Editing -> Misc -> Save Map As. The map name appears under the New Game -> Maps menu so I know it's saved, but I clicking on that gives me the text in the upper-left corner of my scree...