How to fix the The type Microsoft.SharePoint.Portal.Analytics.UI.ReportViewerMessages does not implement IReportViewerMessages or could not be found error

The type Microsoft.SharePoint.Portal.Analytics.UI.ReportViewerMessages, Microsoft.SharePoint.Portal, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c does not implement IReportViewerMessages or could not be found

 This nasty error message appeared when I published my Reporting Services local report to a custom Web Part.

I solved this be comment out the ReportViewerMessages line in appSettings section in the web.config

<appSettings>
<!–  <add key="ReportViewerMessages" value="Microsoft.SharePoint.Portal.Analytics…… /> –>

So far, I haven’t seen any issues by commenting out this entry.

 

4 thoughts to “How to fix the The type Microsoft.SharePoint.Portal.Analytics.UI.ReportViewerMessages does not implement IReportViewerMessages or could not be found error”

  1. I made the switch from SharePoint Integrated to Native mode. Then i start having problem you described.

    After deleting

    reports are working correctly.

    Thank you.

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