System.ArgumentException: '
', hexadecimal value 0x01, is an invalid character.
   at System.Xml.XmlUtf8RawTextWriter.InvalidXmlChar(Int32 ch, Byte* pDst, Boolean entitize)
   at System.Xml.XmlUtf8RawTextWriter.WriteElementTextBlock(Char* pSrc, Char* pSrcEnd)
   at System.Xml.XmlUtf8RawTextWriter.WriteString(String text)
   at System.Xml.XmlUtf8RawTextWriterIndent.WriteString(String text)
   at System.Xml.XmlWellFormedWriter.WriteString(String text)
   at System.Xml.XmlWriter.WriteElementString(String localName, String ns, String value)
   at System.Xml.XmlWriter.WriteElementString(String localName, String value)
   at Argotic.Core.Data.RssXmlSyndicationFeedAdapter.WriteItem(RssItem item, XmlWriter writer)
   at Argotic.Core.Data.RssXmlSyndicationFeedAdapter.WriteChannel(RssChannel channel, XmlWriter writer)
   at Argotic.Core.Data.RssXmlSyndicationFeedAdapter.WriteFeed(RssFeed feed, XmlWriter writer, XmlWriterType writerType)
   at Argotic.Core.Data.RssXmlSyndicationFeedAdapter.Write(SyndicationFeed feed, XmlWriter writer)
   at Argotic.Core.Rss.RssFeed.Save(XmlWriter writer)
   at Argotic.Core.SyndicationFeed.Save(Stream stream)
   at qtiContent.NewsFeed.ProcessRequest(HttpContext objContext)