I filed my 2020 taxes but they keep being rejected . it says the 2019 AGI doesn't match the IRS records. it is corrrect as I am taking it from my 2019 return

I have filed my 2020 taxes 6 time electronicly and keep rejecting it saying the 2019 AGI doesn't match there records. I am taking it from my 2019 return so it is correct. how can I get this tax return to go through without it being rejected.