Map file is not locked. Can not Assign, Unassign, or Auto-map in Edit Map IDs dialog. I have done this before many times in earlier version of Robohelp with no problem.
What do you mean 'cannot assign'. What do you see? Are the buttons greyed out? Do you get an error message somewhere?
The buttons are greyed out
Can you create a new map file. Does it work that way?
Do you open all map files or the map file specific?
Ok, my own ineptitude. I kept the default at "All Map Files" thinking this was an actual selection. In fact I had to pick an actual file from the drop-down list. Thank you so much for trying to help!