When you run the DISCOVER_CSDL_METADATA command in the Power BI Desktop, you may receive an unexpected exception error message. Additionally, mini dumps are generated.
<Error ErrorCode="3238002710"Description="Internal error: An unexpected exception occurred."Source="Microsoft SQL Server 2016 Analysis Services"HelpFile="" />
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative update for SQL Server:
About cumulative updates for 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: