Did you click Smart Check?
You can type smart check into the search-box to find it for the online programs.
I click smart check, it gave me the message, i clicked fix error run again a get same error
If you have reviewed your entries and don't have a missing period or comma in an amount you entered, here's how to Contact TurboTax Support.
They can actually get into your computer to review your return to help you.
@trwhite