I have a similar question, but different details. I just mailed in my 2019 return this week, so it is not likely it will be processed by April 15th. I do not owe taxes on either the 2019 or 2020 return. My initial attempt to e-file my 2020 return was rejected since the 2019 AGI is not available in the IRS system to match. One recommendation I read was to enter a "0" for AGI and the other was to file my 2020 by mail. What would you recommend?
