If your return is rejecting for incorect AGI, make sure that you are using the AGI from your original unamended tax return. Then make sure you have the correct number using the chart below:
You can find your
last year's AGI on your 1040 form:
Form 1040 – Line 37
Form 1040A – Line 21
Form 1040EZ – Line 4
Form 1040NR – Line
36
If your return continues to reject, you may
want to get a copy from the IRS to see what they have on file. If you still can't e-file, you can still file
your return by making it a paper return and mailing it in.
You can get free transcripts of your federal return
from the IRS - Get
Transcript
You
can order a copy of your return from the IRS you may using this form for a $50.00 fee
Request for Copy of Tax Return
https://ttlc.intuit.com/replies/3300702