Several things can happen that change the AGI you got from TurboTax. Amending is one example. See my answer below just posted for another user so you can get your return e-filed.
https://ttlc.intuit.com/replies/7408118
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***