Depending on which form you filed, your 2017 AGI will be on one of the following lines:
If you cannot find your 2017 tax return or if what you are showing is being rejected, you can get it directly from the IRS by clicking here Get Your Transcript
I am having the same issue. Parents filed MFJ in 2018, mother passed away in 2019. I filed the 2019 return, also MFJ, but it was rejected saying I have the incorrect AGI for my deceased mother. It is the same as my father's obviously, but since she is deceased did it change hers to zero? I have tried submitting several times but it keeps rejecting.
The IRS uses your prior year AGI to combat fraud.
You can find your 2018 Adjusted Gross Income (AGI) by:
Check these items as well to ensure you have the correct number. If you:
Unfortunately, without the correct number, your only option would be to print and mail in your return.
This article will give you instruction on how to print and mail your return.