How did you do your 2019 return? Did you use the Turbo Tax Desktop program or another company? If you used Turbo Tax you need to transfer the data file ending in .tax2019.
Are you using the online version? How to transfer into Turbo Tax Online, including from a pdf file or other software or from the Desktop program
https://ttlc.intuit.com/community/entering-importing/help/how-do-i-transfer-last-year-s-return-into-...
