Were you able to efile the original return? Sounds like you had to file in person? What exactly does Turbo Tax show? You said it says Accepted? Is that for the original return? You can only efile an amended return from the same account that has an accepted original return.
Not sure where you are stuck. If you can’t efile the amended return you can print and mail it. Can you even start the amended return? How to Amend this year
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-federal-tax-return-curr...
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