Hi besito89, thank you for posting the question.
$1,400 increase in amendment balance due seems to be an disallowed 2021 Recovery Rebate Credit.
Please refer to below link Q C4 and Q C5 that in general, a valid Social Security Number is required to claim Recovery Rebate Credit (not ITIN.)
https://www.irs.gov/newsroom/2021-recovery-rebate-credit-topic-c-eligibility-for-claiming-a-recovery...
Please contact us for live help if needed.
How do I contact TurboTax?
https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-management/contact-turbotax/L2y9...
Hope the above helps.
Thank you,
Kitty
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