Either you did not elect to import from the 2020 return, or the more likely scenario is that the 2021 program just flat did not import it. The latter is most likely when one has more than 3 rental properties.
Your choices are to start over from scratch and see if it will import the data. Or you can just enter it manually using the two 4562's and the form 8582 from the 2020 tax return.
