Are you able to see your 2020 tax return when you log in? If so, can you try to clear cache and delete cookies and then try amending again? If that still does not work, I would suggest reaching out to TurboTax customer support directly for further assistance using the FAQ link provided below:
TurboTax customer support
@akdd3173
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
