FIX: “An unexpected error occurred” when you use DAX measures in Power BI table visualizations in SQL Server

Applies to: SQL Server 2016 DeveloperSQL Server 2016 EnterpriseSQL Server 2016 Enterprise Core

Symptoms


Assume that you have Microsoft SQL Server Analysis Services (SSAS) installed on Microsoft SQL Server 2016 and SQL Server 2017. When you use Data Analysis Expressions (DAX) measures in Power BI table visualizations, you may receive the following error message:

This issue may occur in measures in the following scenarios:

  • Reference another measure in a VAR assignment.
  • The main measure is used in a Table visualization.
  • The same measure works fine in a Card visualization on the same page.
  • The same measure works fine in DAX Studio.

Resolution


This fix is included in the following updates for SQL Server:

          Cumulative Update 8 for SQL Server 2017

Cumulative Update 1 for SQL Server 2016 Service Pack 2

Cumulative Update 9 for SQL Server 2016 Service Pack 1

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


Learn about the terminology Microsoft uses to describe software updates.