Assume that you use a Multidimensional instance of SQL Server Analysis Services. After you ProcessUpdate a dimension, the Multidimensional Expressions (MDX) LastChild function may return incorrect result.
This problem was fixed in the following cumulative update for SQL Server:
About cumulative updates for SQL Server
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 3183686 - Last Review: 17 జన, 2017 - Revision: 4