Symptoms
Assume that you have a report that connects to a SharePoint External list, and then you set up a Microsoft SQL Server 2012 or 2016 Reporting Services (SSRS) subscription for the report. In this situation, the subscription fails to run, and you receive the following error message:
Note
Microsoft.ReportingServices.ReportProcessing.ReportProcessingException: Query execution failed for dataset 'DatasetName'. ---> Microsoft.BusinessData.Infrastructure.BdcException: The shim execution failed unexpectedly - Proxy creation failed. Default context not found.
Cause
This issue occurs because the SPServiceContext or SPServiceContextScope object is never created.
Resolution
This issue is fixed in the following cumulative updates for SQL Server:
Cumulative update 8 for SQL Server 2016 SP1
Cumulative Update 8 for SQL Server 2012 SP3
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:
Latest cumulative update for SQL Server 2016
Latest cumulative update for SQL Server 2012 SP3
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 that Microsoft uses to describe software updates.