Are you using the Online version? Online is only for 2017 now. So you have to use the Desktop program to do a prior year.
<a rel="nofollow" target="_blank" href="
https://turbotax.intuit.com/personal-taxes/past-years-products/">https://turbotax.intuit.com/persona...>
If you filled out your 2016 info in the 2017 online version you have a problem and you should not file it.
