1) Zero (0) and blank are equivalent.2) I have found TurboTax to be dependable in "remembering" carry forwards from year to year.

Sure. The software has not yet determined that your entries, thus far, have impacted any of the data fields on Form1040.

The results of your entries would, of course, be included in Form 1040.

Suggest you start over and re-enter your K-1 data. All versions of Turbo Tax 2021 should transpose resulting figures to all the appropriate forms for you. That ...