The problem is: I did paper-file last year (2019). For the e-file for 2020 (first time doing e-file), I entered the correct AGI (2019) by getting the AGI from IRS transcript. The e-file was rejected. However, Turbotax representative asked me to try again by using "0" for AGI. And IRS accepted by e-file return! That does not seem to make sense!
