Get your taxes done using TurboTax

The software is assuming there should be no withholding if there are no wages. You can try putting the wages in Box 16, then review your New Jersey (NJ) return to remove this amount as the questions come up. Or try entering $1 in the wages box.

NJ has a screen where you can make adjustments as you go through the state interview.  The example is below for your convenience.