create member currentcube.measures.AmountAcc
    AS SUM(null:[Dim Date].[Date].currentMember,[Measures].[Amount]);

create member currentcube.measures.Balance
    AS AmountAcc * [Measures].Rate;

Severity	Code	Description
Error		Errors in the metadata manager. The measure expression of the DayBalance measure contains the [AmountAcc] operand , which could not be resolved.

create member currentcube.measures.BalanceSUM
    AS SUM(null:[Dim Date].[Date].currentMember,[Measures].[Amount]*[Measures].[Rate]);

CREATE MEMBER CURRENTCUBE.[Measures].[UnitsSUM]
 AS SUM(null:[Date].[Date].currentMember,[Measures].[Units]), 
VISIBLE = 1 ,  ASSOCIATED_MEASURE_GROUP = 'Units'  ; 


CREATE MEMBER CURRENTCUBE.measures.BalanceSUM
 AS [Measures].[UnitsSUM]* [Measures].[Rate], 
VISIBLE = 1 ,  ASSOCIATED_MEASURE_GROUP = 'Units'  ; 

CREATE MEMBER CURRENTCUBE.[Measures].[UnitsSUM]
 AS SUM(null:[Date].[Date].currentMember,[Measures].[Units]), 
VISIBLE = 1 ,  ASSOCIATED_MEASURE_GROUP = 'Units'  ; 

CREATE MEMBER CURRENTCUBE.[Measures].[BalanceSUM]
 AS NULL, 
VISIBLE = 1 ,  ASSOCIATED_MEASURE_GROUP = 'Units'  ; 

SCOPE ( { [Measures].[BalanceSUM]} );
    -- this when the only member(s) selected
    THIS = 1;
    SCOPE( Leaves([Date]));
        -- this is the only when member and date (no currency) selected
         THIS = 2;
    END SCOPE;
    SCOPE(  Leaves([Currency]));
         -- this is the only when member and currency (no date) selected
         THIS = 3;
    END SCOPE;
    SCOPE(  Leaves([Currency]));
            SCOPE( Leaves([Date]));
                -- here when all dimensions 1) member 2) date 3) currency presented
                -- the same as straight calculated measure instead NULL
                 THIS = [Measures].[UnitsSUM] * [Measures].[Rate];
            END SCOPE;
    END SCOPE;
END SCOPE;

SCOPE ( { [Measures].[BalanceSUM]} );
    -- this when the only member(s) selected
    THIS = SUM(
                [Date].[Date].children 
                * 
                [Currency].[Currency].children
                ,[Measures].[UnitsSUM]* [Measures].[Rate]);
    SCOPE( Leaves([Date]));
        -- this is the only when member and date (no currency) selected
         THIS = SUM([Currency].[Currency].children,[Measures].[UnitsSUM]* [Measures].[Rate]);
    END SCOPE;
    SCOPE(  Leaves([Currency]));
         -- this is the only when member and currency (no date) selected
         THIS = SUM([Date].[Date].children,[Measures].[UnitsSUM]* [Measures].[Rate]);
    END SCOPE;
    SCOPE(  Leaves([Currency]));
            SCOPE( Leaves([Date]));
                -- here when all dimensions 1) member 2) date 3) currency presented
                -- the same as stright calculated measure instead NULL
                 THIS = [Measures].[UnitsSUM]* [Measures].[Rate];
            END SCOPE;
    END SCOPE;
END SCOPE;

CREATE MEMBER CURRENTCUBE.measures.BalanceSUM
 AS [Measures].[UnitsSUM]* [Measures].[Rate], 
VISIBLE = 1 ,  ASSOCIATED_MEASURE_GROUP = 'Units'  ;