This error suggests that your original reporting showed that spouse had an excess traditional IRA contribution carried in from 2015 that you originally indicated should be applied as a 2016 contribution, but subsequent changes to your tax return have made it so that either your spouse it not eligible for this to be applied as a contribution for 2016, or you removed the indicate that your spouse had in excess contribution carried into 2016 from 2015.
In the Federal Review, you should be able to simply select and delete the entry.
