Fed Return-IRS rejected e-file, as Spouse AGI is incorrect. We always file "Married Jointly"- Wouldn't our AGI be the same?

Fed Return-IRS rejected e-file, as Spouse AGI amount is incorrect.

We always file "Married Jointly"- Wouldn't our AGI be the same? 

There is only one AGI amount on our last year's tax return.

Thank you.