W2 questions

I received an additional W2 from my employer, with no amounts in boxes 1-11, 13-20, the only box populated on the W2 is 12a with code W ----for their HSA contributions...
In TurboTax Deluxe, when I enter this W2 it says I can't file my return online because the W2 doesn't have any wages attached to it. Is this W2 even needed then?