the self select PIN is five digits and you choose it for next year.
in the past most TurboTax user never could find their PIN.
Maybe they've changed to make it more visible.
If you didn't pick one last year and what you see is left over from 2018 it won't work. clear that field, after writing down what you see.
.
to use AGI to file make the PIN field empty.
to file using PIN make the AGI field empty.
you should also be offered to select again for 2021
