Sorry, I don't understand how that could have happened. Importing a GEDCOM file from another program into your old Generations could well have resulted in multiple entries of people in your index, but not repetitions of names in the name of one person as in your example.
Or have I misinterpreted your "I have multiple names in the name line"? Can you explain that in more detail?
I think that you may have to revert to your last good backup of your old Generations .uds family file.