The system cannot locate the object specified

<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
</HEAD>
<BODY>

<html>
<body>
<%
dim z
z=Request("MODE")
if (z<>"1")then

%>
<Form name=frm Action="http://localhost/asp/xml2/xml2.asp?MODE=1" method=post>
<%
txt="<h1>Traversing the node tree</h1>"
Response.write(txt)
dim xmlDoc
dim x

set xmlDoc=CreateObject("Msxml2.DOMDocument")

if(err.number<>0)then
Response.Write "error"
end if

xmlDoc.async="false"
xmlDoc.load("GetPriceList.xml")

if(err.number<>0)then
Response.Write "error"
end if

Response.Write xmlDoc.parseerror.reason

if(err.number<>0)then
Response.Write "error"
end if

Response.End
for each x in xmlDoc.documentElement.childNodes
Response.Write("<b>" & x.nodename & "</b>")
Response.Write(": ")
Response.Write(x.text)
Response.Write("<br>")
next
Response.End
end if
%>

</Form>
</body>
</html>
<P>&nbsp;</P>

</BODY>
</HTML>



what m i doing wrong ?
please help .