That's a publicly traded partnership. It's unlikely there's an installment sale. did you import the k-1? if so, you'll probably need to delete it and enter manually from the actual k-1. something might have been coded improperly in the import file. did you sell your interest in it. Installment sales are no longer allowed for publicly traded stocks.
I have no access to a simulated copy of the k-1, so I don't know at what line you are hitting that Turbotax question, or do I know what's reported on that line. Perhaps you can provide the line number and description or more information - amount is not needed.
if you sold your interest there is a supplemental schedule accompanying the k-1, not importable, that gives the detail for reporting the gain/loss on sale.
