SUMIF with two conditions

[Neutron1871]

I am trying to sum values in Row N where the following two conditions are met:

1) N2:N278 > 0
2) P2278 = 0

Here is what I have so far
=SUMPRODUCT(--($N$2:$N$278>0),--($P$2:$P$278="0"),(N2:N278))

Please help the above formula returns a "0".

 

[Neutron1871]

Nevermind, i figured it out. I had "" around my 0.