Hi all, When i execute the following mdx query, i will get "Mondrian Error:MDX object '[service Type].[RANGE]' not found in cube 'TATHit'". anything wrong with that? Thanks. ===================================================== with member [service Type].[RANGE] as 'aggregate {[service Type].[REPAIR], [service Type].[sWAP]})' select NON EMPTY drilldownlevel({[Product Type].[All Product Types]}) on columns from [TATHit] where [service Type].[RANGE] ===================================================== Br, Alvin