Error while running Webi report that uses Custom Dimension object(SAP BW)

Hi,
I have a universe that is based on SAP BW.I have created a custom dimension object that displays the maximum date.
The object syntax is
<expression>Max(@Select(CPS Online\Calendar day))</expression>
The object parses successfully.
The object 'Calendar Day ' is a defaultobject created during universe creation from the BW query.It is defined as [0CALDAY].[LEVEL01]
I tried  to create a Webi report using this object and a measure .On running the query it throws the following error:
A database error occured. The database error text is: The MDX query WITH MEMBER [Measures].[EBC10672-C0DA-4998-93,80,D3,FF,C3,E8,A2,22] AS ' Max{[0CALDAY].[LEVEL01]} '  SELECT  { [Measures].[EBC10672-C0DA-4998-93,80,D3,FF,C3,E8,A2,22], [Measures].[4JCOSFOKKCUR3RMBPNROFKQQD] }  ON COLUMNS , NON EMPTY [0CALDAY].[LEVEL01].MEMBERS DIMENSION PROPERTIES [0CALDAY].[20CALDAY] ON ROWS FROM [ZCCPSONL/ZCPSONLINE]  failed to execute with the error Invalid MDX command with (. (WIS 10901)
I have tried every possible syntax I could think of but I keep getting this error each time.I have set the object type to Number (even though it is actually a Date), I have tried writing the MDX inside the Max instead of the @select , but nothing seems to work.Could anyone please let me know why this error is occuring?Is there anything wrong with the syntax or is there any setting in Webi needed before a custom dimension object can be used on it.

Can you see data for Custom object @ BEx level??
YES, then just try to re-create the same variable and Save the BW query.
Now do View - refresh Strusture @ Universe. And you can see Filter for the same, just Parse it, just whether it is OK or not.
OK -- then Export the Universe and create WebI reports, this will come as Prompt.
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Thank You!!
Sent from iPhone

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