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Soren Regular Visitor
Regular Visitor

A table of multiple values was supplied where a single value was expected !

Hi everyone!

I developed a calculated column with the below formula and it works correctly.

Call Off Description = DISTINCT (UNION (
CALCULATETABLE (vALUES ('Employee Hours'[ WO Name] ),FILTER('Employee Hours',ISBLANK ( ' Employee Hours'[Code] ) = FALSE () && 'Employee Hours'[Code] ='Call off Information'[Call Off Codes]))
,CALCULATETABLE (VALUES ( 'Asset Hours'[A WO Name] ),FILTER ( 'Asset Hours', ISBLANK ( 'Asset Hours'[Code] ) = FALSE () && ' Asset Hours'[WorkOrderCode]='Call off Information'[Call Off Codes]))))

 

Then I tried to add another source of data to it and extend the formula as per below:

 

Call Off Description = DISTINCT (UNION (
CALCULATETABLE (vALUES ('Employee Hours'[ WO Name] ),FILTER('Employee Hours',ISBLANK ( ' Employee Hours'[Code] ) = FALSE () && 'Employee Hours'[Code] ='Call off Information'[Call Off Codes]))
,CALCULATETABLE (VALUES ( 'Asset Hours'[A WO Name] ),FILTER ( 'Asset Hours', ISBLANK ( 'Asset Hours'[Code] ) = FALSE () && ' Asset Hours'[WorkOrderCode]='Call off Information'[Call Off Codes]))

,CALCULATETABLE (VALUES ( 'cost'[ Name] ),FILTER ( 'cost', ISBLANK ( 'cost'[Code] ) = FALSE () && ' cost'[Code]='Call off Information'[Call Off Codes]))

 

I received "A table of multiple values was supplied where a single value was expected "

 

any idea ?

 

 

6 REPLIES 6
Super User
Super User

Re: A table of multiple values was supplied where a single value was expected !

@Soren

 

Seems your formula will return multiple values.

So you can use a variable to store the values....then use CONCATENATEX to combine them

 

May be this one

 

Call Off Description =
VAR temp =
    DISTINCT (
        UNION (
            CALCULATETABLE (
                VALUES ( 'Employee Hours'[ WO Name] ),
                FILTER (
                    'Employee Hours',
                    ISBLANK ( ' Employee Hours'[Code] ) = FALSE ()
                        && 'Employee Hours'[Code] = 'Call off Information'[Call Off Codes]
                )
            ),
            CALCULATETABLE (
                VALUES ( 'Asset Hours'[A WO Name] ),
                FILTER (
                    'Asset Hours',
                    ISBLANK ( 'Asset Hours'[Code] ) = FALSE ()
                        && ' Asset Hours'[WorkOrderCode] = 'Call off Information'[Call Off Codes]
                )
            )
        )
    )
RETURN
    CONCATENATEX ( temp, [ WO Name], ", " )
Soren Regular Visitor
Regular Visitor

Re: A table of multiple values was supplied where a single value was expected !

Thanks Zubair_Muhammad for your time and response.

 

my first formula and your formula both work correctly. The issue appears when I want to add another source of data to the formula.

 

Long story short, call off description returns a few blank values because a few of codes aren't in  employee hours table or Asset Hours table. as a result, formula cant find any description!

 

I  want to modify the formula in a way to pull overs call off description from another table named "cost table" JUST for those codes that are not in other two tables. 

can you think of any solution? Thanks in advance

 

Super User
Super User

Re: A table of multiple values was supplied where a single value was expected !

@Soren

 

What results do you get when you use CONCATENATEX approach in the second formula?

Also I think you can use Calculated Tables to debug your formula

For example from the Modelling tab >> New Table...you can check the results for

 

Calculated Table =
CALCULATETABLE (
    VALUES ( 'cost'[ Name] ),
    FILTER (
        'cost',
        ISBLANK ( 'cost'[Code] ) = FALSE ()
            && ' cost'[Code] = 'Call off Information'[Call Off Codes]
    )
)

 

 

Soren Regular Visitor
Regular Visitor

Re: A table of multiple values was supplied where a single value was expected !

I get an error message that "A table of multiple values was supplied where a single value was expected" ! and I cant undrestand why!

Super User
Super User

Re: A table of multiple values was supplied where a single value was expected !

@Soren

 

Could you share your file?

Soren Regular Visitor
Regular Visitor

Re: A table of multiple values was supplied where a single value was expected !

I sent it to your email.

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