Please make sure you did not enter anything “Traditional and Roth IRA Contributions" section in regards to this conversion since you reported the non-deductible IRA contribution already in 2017.
To enter the 1099-R distribution/conversion:
- Click "Wages & Income" on the top
- Click "I'll choose what to work on"
- Scroll down and click "Start" next to "IRA, 401(k), Pension Plan (1099-R)"
- Answer "Yes" to the question "Did You Have Any of These Types of Income?"
- Click "I'll Type it Myself"
- Choose "Form 1099-R, Withdrawal of Money from 401(k) Retirement Plans, Pensions, IRAs, etc."
- Click "Continue" and enter the information from your 1099-R
- Answer questions until you get to “What Did You Do With The Money” and choose “I moved it to another retirement account”
- Then choose “I converted all of this money to a Roth IRA account.”
- On the "Your 1099-R Entries" screen click "continue"
- Answer "yes" to "Any nondeductible Contribution to your IRA?"
- Answer the questions about the basis
