Microsoft.SharePoint.SPException: One or more field types are not installed properly. Go to the list settings page to delete these fields. ---> System.Runtime.InteropServices.COMException: One or more field types are not installed properly. Go to the list settings page to delete these fields.
at Microsoft.SharePoint.Library.SPRequestInternalClass.GetListItemDataWithCallback2(IListItemSqlClient pSqlClient, String bstrUrl, String bstrListName, String bstrViewName, String bstrViewXml, SAFEARRAYFLAGS fSafeArrayFlags, ISP2DSafeArrayWriter pSACallback, ISPDataCallback pPagingCallback, ISPDataCallback pPagingPrevCallback, ISPDataCallback pFilterLinkCallback, ISPDataCallback pSchemaCallback, ISPDataCallback pRowCountCallback, Boolean& pbMaximalView)
at Microsoft.SharePoint.Library.SPRequest.GetListItemDataWithCallback2(IListItemSqlClient pSqlClient, String bstrUrl, String bstrListName, String bstrViewName, String bstrViewXml, SAFEARRAYFLAGS fSafeArrayFlags, ISP2DSafeArrayWriter pSACallback, ISPDataCallback pPagingCallback, ISPDataCallback pPagingPrevCallback, ISPDataCallback pFilterLinkCallback, ISPDataCallback pSchemaCallback, ISPDataCallback pRowCountCallback, Boolean& pbMaximalView)
--- End of inner exception stack trace ---
at Microsoft.SharePoint.SPGlobal.HandleComException(COMException comEx)
at Microsoft.SharePoint.Library.SPRequest.GetListItemDataWithCallback2(IListItemSqlClient pSqlClient, String bstrUrl, String bstrListName, String bstrViewName, String bstrViewXml, SAFEARRAYFLAGS fSafeArrayFlags, ISP2DSafeArrayWriter pSACallback, ISPDataCallback pPagingCallback, ISPDataCallback pPagingPrevCallback, ISPDataCallback pFilterLinkCallback, ISPDataCallback pSchemaCallback, ISPDataCallback pRowCountCallback, Boolean& pbMaximalView)
at Microsoft.SharePoint.SPListItemCollection.EnsureListItemsData()
at Microsoft.SharePoint.SPListItemCollection.get_Count()
at System.Web.UI.WebControls.PagedDataSource.get_PageCount()
at System.Web.UI.WebControls.PagedDataSource.get_Count()
at System.Web.UI.WebControls.PagedDataSource.GetEnumerator()
at mWhitepaper.FillData() in c:\inetpub\wwwroot\wss\VirtualDirectories\localhost80\UserControls\mWhitepaper.ascx.cs:line 83
at mWhitepaper.LoadData(Int32 currentPage) in c:\inetpub\wwwroot\wss\VirtualDirectories\localhost80\UserControls\mWhitepaper.ascx.cs:line 48