HowIF find AVGIF, "x=0"; when ERR 'DIV/O'?

When trying to run AVERAGEIF((a1:d1); “x=0”) …
I get err: DIV /O.

How is it done…please enlighten me!

@abi: Did you read a single word of the comments and answers concerning your recent questions? Why should someone assume you would read an answer to this question?