http://blogs.msdn.com/b/workflowteam/archive/2011/10/19/wf4-workflowservices-troubleshooting-tip-browse-the-xamlx.aspxI was doing some work on my Contoso HR Workflow Services sample application today when for some strange reason things were not working at all.  I found that when I tried to send a message to the Workflow Service from the ASP.NET code I got this exceptionen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)