Query designer problem

When I try to run this query I get an error:


Query Designer

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Rey Obrero (Capricorn1)Commented:
uncheck the BOX
SteveL13Author Commented:
Did that.  Still doesn't work.

Now I get...

2nd error
Rey Obrero (Capricorn1)Commented:
that is different error now. and you are only showing a part of your query.

what do you have in the criteria of your query.
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To solve the first error, change "Expression" to "Group By"
Gustav BrockCIOCommented:
Change your third column to have this expression:

    EC3AvgChg: Avg(EC3_Post)/Avg(EC3_PreCalc)

SteveL13Author Commented:
Not sure why but I found this to work.

Gustav BrockCIOCommented:
That's probably because you now have converted the Null values to 0 (zero).


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SteveL13Author Commented:
My solution worked.  But the expert also provided useful information
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