Assume that you use a Multidimensional Expressions (MDX) calculation in Microsoft SQL Server 2012 Analysis Services (SSAS 2012). Some calculation members are defined with non-existent tuples. When you run this MDX calculation, you receive an unexpected exception. Additionally, an access violation occurs.
To work around this issue, add a format string (FORMAT_STRING="").
The issue was first fixed in the following cumulative update of SQL Server.
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server: