If you are encountering issues when designing custom reports using the SQL Business Intelligence Development Studio on top of Microsoft Visual Studio 2005, check the following configuration file:

If you have installed K2 for Visual Studio before you installed SQL Business Intelligence Development Studio, just re-run the K2 Configuration Manager to update your Visual Studio environment with the below config section.

The installer will update the following assembly SourceCode.Data.SmartObjectsClient.dll at the location: C:\Program Files\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies

In the RSReportDesigner.config file, the following section is added:

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<Configuration>    <Extensions>        <Data>          <Extension Name="SOURCECODE" Type="SourceCode.Data.SmartObjectsClient.SOConnection,SourceCode.Data.SmartObjectsClient, Version=4.0.0.0, Culture=neutral, PublicKeyToken=16A2C5AAAA1B130D"/>       </Data>       <Designer>          <Extension Name="SOURCECODE" Type="Microsoft.ReportingServices.QueryDesigners.GenericQueryDesigner,Microsoft.ReportingServices.QueryDesigners"/>       </Designer>    </Extensions> </Configuration>