public static void htmlUnknownObjectResponse(Keyword itemtype, String itemname, org.powerloom.PrintableStringWriter stream) {
    {
      stream.print("<HTML>");
      {
        stream.print("<HEAD>");
        {
          stream.print("<TITLE>");
          stream.print(OntosaurusUtil.lookupTerm(itemtype, true, false) + " ");
          Stella.writeHtmlQuotingSpecialCharacters(stream, itemname);
          stream.print("</TITLE>");
        }
        stream.println();
        stream.print("</HEAD>");
      }
      stream.println();
      { String tag002 = "BODY BGCOLOR='#" + OntosaurusUtil.$ERROR_BACKGROUND_COLOR$ + "'";

        stream.print("<" + tag002 + ">");
        {
          stream.print("<H1>");
          stream.print(OntosaurusUtil.lookupTerm(itemtype, true, false) + " ");
          Stella.writeHtmlQuotingSpecialCharacters(stream, itemname);
          stream.println("</H1>");
        }
        stream.println("<HR SIZE=4>");
        {
          stream.print("<STRONG>");
          stream.print("SORRY: Unknown " + OntosaurusUtil.lookupTerm(itemtype, false, false) + " `" + itemname + "' in " + OntosaurusUtil.lookupTerm(OntosaurusUtil.KWD_CONTEXT, false, false) + " ");
          Stella.writeHtmlQuotingSpecialCharacters(stream, ((Module)(Stella.$MODULE$.get())).name());
          stream.print(".");
          stream.print("</STRONG>");
        }
        OntosaurusUtil.htmlLineBreak(stream);
        stream.println("<HR SIZE=2>");
        OntosaurusUtil.writePowerloomTrailer(stream);
        stream.println("</" + Native.string_subsequence(tag002, 0, Native.string_position(tag002, ' ', 0)) + ">");
      }
      stream.print("</HTML>");
    }
  }