Symptoms
Assume that you use Report Builder 1.0 for Microsoft SQL Server 2008 R2 Reporting Services (SSRS 2008 R2). When you try to drill through a parent report that has a Chart layout, you receive the following error message:
Note
The 'DrillthroughContext' parameter is missing a value
Note This issue does not occur in Report Builder 1.0 for Microsoft SQL Server 2005 Reporting Services.
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 12 for SQL Server 2008 R2 SP2 /en-us/help/2938478
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:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.