Microsoft distributes Microsoft SQL Server 2008 R2 Service Pack 1 (SP1) fixes in one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security updates that were included with the previous SQL Server 2008 R2 Service Pack 1 (SP1) update release.
Symptoms
Consider the following scenario:
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You create a report in Microsoft SQL Server 2008 R2 Reporting Services (SSRS 2008 R2).
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The report has a tablix data region, and the region contains some chart, gauge, or map items.
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You deploy the report and try to review it.
In this scenario, you might receive the following error message:
An error occurred during client rendering: Object reference not set to an instance of an object.
Note If you use ReportViewer controls to view the report, no error message or exception stack is logged in the SSRS 2008 R2 log file.
Resolution
Cumulative update information
Cumulative update package 4 for SQL Server 2008 R2 SP1
The fix for this issue was first released in Cumulative Update 4. For more information about how to obtain this cumulative update package for SQL Server 2008 R2 SP1, click the following article number to view the article in the Microsoft Knowledge Base:
2633146 Cumulative update package 4 for SQL Server 2008 R2 SP1Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 SP1 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2567616 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 SP1 was released
Workaround
To work around this issue, use a rectangle instead of a tablix data region.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
