I get this error when I use the DocumentExporter on a simple wingrid.

I get this for all file types (pdf,xps,text)

the excel exporter works just fine.

[ArgumentOutOfRangeException: [0.0, ...]
Parameter name: value]
   Infragistics.Documents.Report.FixedWidth..ctor(Single value) +109
   Infragistics.WebUI.UltraWebGrid.DocumentExport.CssStyle.ApplyWidth(ReportElement element) +400
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportCaption.ApplyStyle(CssStyle style) +56
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportElement.ApplyStyleSheet(String classes, String styles) +125
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportCaption..ctor(String text, String url, IText element, ReportElement parent) +198
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportCell.AddText(String text, String url) +72
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportWrapper.AddText(String text, String url) +71
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportRenderer.ExportCell(UltraGridCell gridCell, XPathNavigator navigator) +521
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportRenderer.WalkCells(XPathNavigator navigator) +264
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportRenderer.ExportRow(UltraGridRow gridRow, ReportTable table, XPathNavigator navigator) +647
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportRenderer.WalkRow(XPathNavigator navigator, ReportTable table, Boolean skipDescendants) +227
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportRenderer.WalkRows(XPathNavigator navigator, String classes, String styles) +760
   Infragistics.WebUI.UltraWebGrid.DocumentExport.ReportRenderer.Render() +297
   Infragistics.WebUI.UltraWebGrid.DocumentExport.UltraWebGridDocumentExporter.RenderDocument() +479
   Infragistics.WebUI.UltraWebGrid.DocumentExport.UltraWebGridDocumentExporter.Export() +347
   Infragistics.WebUI.UltraWebGrid.DocumentExport.UltraWebGridDocumentExporter.Export(UltraWebGrid grid, ISection section) +50
   Infragistics.WebUI.UltraWebGrid.DocumentExport.UltraWebGridDocumentExporter.Export(UltraWebGrid grid, Report report) +50
   Infragistics.WebUI.UltraWebGrid.DocumentExport.UltraWebGridDocumentExporter.Export(UltraWebGrid grid) +56
   Results.cmdPDF_Click(Object sender, ButtonEventArgs e) in C:\Users\leo.SARPYIS\Documents\Visual Studio 2008\WebSites\pictest\Results.aspx.vb:149
   Infragistics.WebUI.WebDataInput.WebImageButton.OnClick(Int32 action) +139
   Infragistics.WebUI.WebControls.Buttons.WebButtonBase.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +115
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +177
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1746