If you already filed, it is a non issue. It only matters when you try to e-file a 2018 tax return. It is a 2018 TurboTax e-file issue and makes no difference for an amended 2017 tax return that can only be mailed.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
