VS2013 Browser Link “The controller for path ‘/9ac086a69364466a841e03e001f946fd/arterySignalR/ping’ could not be found.”

I disabled browser link. Second #4 at this link.

http://blogs.msdn.com/b/webdev/archive/2013/06/28/browser-link-feature-in-visual-studio-preview-2013.aspx