I have a problem surrounding sumproduct and setting criteria.

I need to sumproduct based on row criteria '19:19'. The value for the
row criteria is set in an other cell 'E23'.

So sum of row 9 and row 17 where 19 is equal to E23.


=SUMPRODUCT((OFFSET(A9,,MATCH(E23,19:19,0)-1,(OFFSET(A17,,MATCH(E23,19:19,0)+1)/1))))


Any help greatly appreciated


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Kstalker
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