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Troubleshoot sitemanager.aspx problem

Posted By:      Posted Date: September 16, 2010    Points: 0   Category :SharePoint
On the Site Content and Structure page for my site collection (sitemanager.aspx), there is one site that results in "There was an error in the callback" when trying to expand the plus sign in fron of it in the left tree.  If I just click on the site name, it errors out with the following:   Error   Cannot complete this action. Please try again.   at Microsoft.SharePoint.Library.SPRequestInternalClass.GetListItemWorkflowsAsSafeArray(String bstrUrl, String bstrListName, Int32 lItemI, Guid& pWorkflowInstanceId, Guid& pGuidTemplateId, Int32 inclusiveFilterState, Int32 exclusiveFilterState, UInt32& pdwColCount, UInt32& pdwRowCount, Object& pvarDataSet)    at Microsoft.SharePoint.Library.SPRequest.GetListItemWorkflowsAsSafeArray(String bstrUrl, String bstrListName, Int32 lItemI, Guid& pWorkflowInstanceId, Guid& pGuidTemplateId, Int32 inclusiveFilterState, Int32 exclusiveFilterState, UInt32& pdwColCount, UInt32& pdwRowCount, Object& pvarDataSet)    Has anyone ever encountered this error?  There's no workflow in this site.

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