Nobody in this public user-to-user forum is going to e-mail you.
Just work through the menus under the FILE tab again, and when you get to the review screen elect the EDIT button next to "You have provided your identifying information (AGI) for filing" and change it there.
Note that if you amended your 2018 tax return, then the updated AGI may not be in the IRS system. So you would need to use the AGI amount *before* you amended the return.
You should also try entering a zero for the AGI if the above doesn't work.
Then if all else fails, you have no choice but to print, sign and mail the return to the IRS.
