Assume that you use SQL Server 2017 or Microsoft SQL Server 2016 Analysis Services (SSAS 2016) in Tabular mode. When you run a Data Analysis Expressions (DAX) query or a Multidimensional Expressions (MDX) query, SSAS may crash.
This issue is fixed in the following 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.
Learn about the terminologythat Microsoft uses to describe software updates.