After uploading the .kmz, I get this:
Server Error in '/' Application.
'', hexadecimal value 0x03, is an invalid character. Line 1, position 3.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Xml.XmlException: '', hexadecimal value 0x03, is an invalid character. Line 1, position 3.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[XmlException: '', hexadecimal value 0x03, is an invalid character. Line 1, position 3.]
System.Xml.XmlScanner.ScanContent() +813
System.Xml.XmlTextReader.ParseRoot() +79
System.Xml.XmlTextReader.Read() +127
System.Xml.XmlValidatingReader.ReadWithCollectTextToken() +146
System.Xml.XmlValidatingReader.Read() +26
System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace) +80
System.Xml.XmlDocument.Load(XmlReader reader) +72
System.Xml.XmlDocument.LoadXml(String xml) +163
Geocaching.UI.UserRoutes.cmdUploadGPX_Click(Object sender, EventArgs e) +370
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +57
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain() +1292
Version Information: Microsoft .NET Framework Version:1.1.4322.2300; ASP.NET Version:1.1.4322.2300