I tried, but the Critical diagnostic remains, which insists that I should enter either one of "income" boxes (such as Rent, Roalty, Other income), not the e-file section, where I entered EIN and the total sum of IT-2568.

There is no "ordinary income" box above the E-file information section, that's why I entered the 2019 income amount as the basis of estimation in this E-file information section.

Where should I enter the income amount, if it is not in this e-file information section?

I am sorry that I am asking for too much.