I would go to the 1099-R input and the Form 8606. Those two are the most likely places to find the effect of what the question did, resulting in something right or wrong. If wrong, you should be able to access it from where you see it. For instance, that seems like something you would be asked if you overlooked something on Form 8606 Part III.

See if something in the Help article takes you to where you might have seen this:

https://proconnect.intuit.com/community/individual/help/proseries-form-1099-r-faq-s/00/4853