My return has been rejected with a code called "Reject Code IND-452". Also, I have both a W2 and W2-C for 2020 and wanted to know if this effects my 2020 AGI on my 1040?

Need to fix my return to have it accepted for 2021 with the right valued AGI that is needed from my 2020 1040, even though I have both a W2 and W2-C for 2020.