There is an error in XML document (2, 2)

Oh, man, this is a frustrated tutorial. Cannot make it work. At the last step, I have "Loading Report Definition There is an error in XML document (2, 2) Press any key to continue ..." on the console screen. Anyone has some ideas? Below is the code:using System;using System.Collections.Generic;using System.IO;using System.Text;using System.Xml;using System.Xml.Serialization;using ReportService2010;namespace SampleRDLSchema{ class ReportUpdater { private Report _report; R