What are typical "representations and warranties"? Who makes representations and warranties? What happens if a representation or warranty turns out to be wrong?
![System.Xml.Xsl.XslTransformException: An error occurred during a call to extension function 'RenderPersonName'. See InnerException for a complete description of the error. ---> System.InvalidOperationException: Enumeration has not started. Call MoveNext.
at MS.Internal.Xml.XPath.XPathArrayIterator.get_Current()
at Sitecore.Xml.Xsl.XslHelper.GetItem(XPathNodeIterator iterator)
at FoleyHoag.Utility.Helpers.SitecoreXslHelper.RenderPersonName(XPathNodeIterator iterator)
--- End of inner exception stack trace ---
at System.Xml.Xsl.Runtime.XmlExtensionFunction.Invoke(Object extObj, Object[] args)
at System.Xml.Xsl.Runtime.XmlQueryContext.InvokeXsltLateBoundFunction(String name, String namespaceUri, IList`1[] args)
at <xsl:template name="NewsDetail">(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime, XPathNavigator {urn:schemas-microsoft-com:xslt-debug}current, IList`1 sc_NewsItem)
at <xsl:template match="*">(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime)
at Root(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime)
at Execute(XmlQueryRuntime {urn:schemas-microsoft-com:xslt-debug}runtime)
at System.Xml.Xsl.XmlILCommand.Execute(Object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlSequenceWriter results)
at System.Xml.Xsl.XmlILCommand.Execute(Object defaultDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter writer, Boolean closeWriter)
at System.Xml.Xsl.XmlILCommand.Execute(IXPathNavigable contextDocument, XmlResolver dataSources, XsltArgumentList argumentList, XmlWriter results)
at System.Xml.Xsl.XslCompiledTransform.Transform(IXPathNavigable input, XsltArgumentList arguments, XmlWriter results)
at Mvp.Xml.Common.Xsl.MvpXslTransform.TransformToWriter(XmlInput defaultDocument, XsltArgumentList xsltArgs, XmlWriter xmlWriter)
at Mvp.Xml.Common.Xsl.MvpXslTransform.Transform(XmlInput input, XsltArgumentList arguments, XmlOutput output)
at Sitecore.Web.UI.WebControls.XslFile.DoRender(HtmlTextWriter output, Item item)](/temp/IconCache/applications/16x16/warning.png)