Solution: You are not allowed to have : or ; characters in the name of the
map. Once I removed these everything worked fine.
>>> However, I am immediately confused by something about AcePerl: I have
> several genetic maps in my database. They all have essentially the same
> structure, containing the same range of information, yet AcePerl
> displays some of them graphically, while others result in a message
> 'ACEDB server was unable to generate a picture of this object'... why?
> I can see no difference between one that does and one that doesn't get a
> graphical representation...