Output window not working

I keep getting an error on both the Squiffy program and the online builder when I click Run to preview my game in the Output window, nothing shows up. Any suggestions. Makes it hard to test to ensure my code is correct.

So I added a new section, and from there it wont work. When I remove it, it displays properly. The only difference is in the new stuff I added <p> and </p>. Could this be the problem?

ok, found it, I had a <br> where is shouldn't have been and was messing it all up. Disregard or delete post