Assume that you run a Multidimensional Expressions (MDX) query in online analytical processing (OLAP) or tabular model in Microsoft SQL Server 2012 Analysis Services (SSAS 2012) or SQL Server 2014 Analysis Services (SSAS 2014). If the cache is not cleared after you run the previous query, the MDX query returns no result.
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To work around this issue, clear the cache before you execute each query.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.