Turbo tax filed...AGI is wrong I need help to fix

This happened to me as well-- turbo tax is not warning its customers! Unfortunately they told me I have to wait and amend once available. 

Hi I sent for my 1019 taxe so I can fix agi on my taxes and letter came back dead I didn't file 2019 I'm on ssi and when the first stimulus came out I field on there portal to get my stimulus for me and my son and I noticed that now that I field with you guys you didn't add the 600 stimulus rebate rather 

There are some questions you need to answer before claiming the rebate credit.

1. Log into turbo tax
2. Click on Federal Review 
3. Let's make sure you got the right stimulus amount>continue
4. Next screen asks Did you get a stimulus payment? no
5. The program will then report a stimulus credit for you and your qualifying dependent. if you haven't mailed your return, you can follow these steps to claim your rebate credit.
6. If you need further help, you can call Tax Support at 1-800-446-8848 to help you navigate to claim the credit.