If there is a Code G, you don't have to do anything else. It is not taxable. If you took the money and rolled it over, you will encounter a question in the interview section asking what you did with the money. If your returned to to another retirement account within 60 days, indicate that on the screen.

@johhar23

Enter the Form 1099-R exactly as received.  Do not make any modifications to the amounts in any of the boxes.