Input string was not in a correct format

[GoogleCodeExporter]

What steps will reproduce the problem?
1. run Twitter Example
2. after authentication the page failed
3.

What is the expected output? What do you see instead?

Input string was not in a correct format.
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.FormatException: Input string was not in a correct 
format.

Source Error:

Line 142:        {
Line 143:            XmlSerializer serializer = new 
XmlSerializer(typeof(ExtendedUser));
Line 144:            return (ExtendedUser)serializer.Deserialize(stream);
Line 145:        }
Line 146:    }

What version of the product are you using? On what operating system?
windows 7 OAuthNet-source-0.8.1.1.zip   Featured 

Please provide any additional information below.

Original issue reported on code.google.com by ylj1...@gmail.com on 20 Jul 2011 at 12:49