Due to the tax law changes in March and the subsequent program changes it is making amending returns this year much more difficult since the 1040X column A must reflect the newer of the original figures or the updated ones changed by the IRS.
Contact TurboTax support and speak directly with a TurboTax support agent concerning this situation.
See this TurboTax support FAQ for a contact link and hours of operation -https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
