Symptoms
You open a SQL Server 2016 Reporting Services mobile report that contains a shared dataset. If the report takes more than 100 seconds to finish rendering, you may receive an error message that resembles the following:
Could not load mobile report. The report may be misconfigured, the data may not be available, or the server version may be unsupported.
Additionally, an error that resembles the following is logged in the WebHost log file:
There was a problem getting data from the Report Server Web Service: The operation has timed out.
Resolution
This fix is included in Cumulative Update 2 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 that Microsoft uses to describe software updates.