System.ArgumentOutOfRangeException: System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
Parameter name: value
at Apitron.PDF.Kit.Styles.Length.FromPixels(Double value)
at ManagerServer.PdfConverter.ApplyStyle(ContentElement section, ICssStyleDeclaration css)
at ManagerServer.PdfConverter.ContentElement(INode node, Font font, Boolean nowrap)
at ManagerServer.PdfConverter.ContentElement(INode node, Font font, Boolean nowrap)
at ManagerServer.PdfConverter.Tr(IHtmlTableRowElement node, Font font)
at ManagerServer.PdfConverter.Table(IHtmlTableElement node, Font font)
at ManagerServer.PdfConverter.ContentElement(INode node, Font font, Boolean nowrap)
at ManagerServer.PdfConverter.ContentElement(INode node, Font font, Boolean nowrap)
at ManagerServer.PdfConverter.Tr(IHtmlTableRowElement node, Font font)
at ManagerServer.PdfConverter.ConvertHtmlToPdf(String input, Stream output, PageBoundary pageBoundary)
at ManagerServer.HttpHandlers.Businesses.Business.Email.Post()
It was the theme that was causing the error, fixed it. No bother