Deductions & credits

To fix this error, just follow these steps:

1. Scroll down in the box to Line 3a
2. Click on the line below '2015 Amount' and remove the number
3. Click on the line below 'Enter 2016 description:' and remove the vehicle
4. Delete the amount listed in the box 'Auto reg fees amount'.  
5. If a details box pops up, remove all information listed in the box.
6. Click Continue and continue with the return

This is a reported issue. If these steps don't work for you, please sign up on this article for updates: https://ttlc.intuit.com/questions/3636543-auto-reg-fees-should-not-be-less-than-zero