happened to me on this page: http://watson-ce-demo.mybluemix.net/ http://watson-ce-demo.mybluemix.net/ i changed Corpus to "Social Media" and hit "Submit". i

happened to me on this page: http://watson-ce-demo.mybluemix.net/ http://watson-ce-demo.mybluemix.net/ i changed Corpus to "Social Media" and hit "Submit". i refreshed the page and did the same thing and it worked.