I can not get this to give me a value other then 0

{=SUM(IF('reference data'!$E$2:$E$125,"=1",IF('reference data'!$I$2:$I$125,
"=1",'reference data'!$A$2:$A$125)))}

I got this from the excel help
An array formula can perform multiple calculations and then return either a
single result or multiple results. Array formulas act on two or more sets of
values known as array arguments. Each array argument must have the same
number of rows and columns. You create array formulas the same way that you
create basic, single-value formulas. Select the cell or cells that will
contain the formula, create the formula, and then press CTRL+SHIFT+ENTER to
enter the formula.
the brackets are added once I do the ctrl shift enter


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