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ajaeclarke asked on

Expression has the wrong amount of arguments


I am having some trouble with the below expression in a query. I am trying to get the average of three fields which allows for zero's.


It is telling me that The Expression you entered has a function containing the wrong number of arguments.

It has been a long day and I just cannot see it!! Could somebody please enlighten me :-)

Thanking you
Microsoft Access

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Last Comment
Gustav Brock

8/22/2022 - Mon
Daniel Pineault

IIF() expects 3 input variables, the criteria to test for, what to do if it is TRUE, what to do if it is FALSE.
If you explain what should be happening, we can try to further help.

Also, ypically I would use Nz([FiledName], 0)  to always ensure there is a numeric value being returned just in case a field is empty, Null which could cause errors to be thrown.
Gustav Brock

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You are a legend Gustav! Thank you so much. :)
Gustav Brock

You are welcome!
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