See http://getgaggle.com/wp/faq/ There is no other content on the page. It is a "Page" and the only content in the Text editor is "[accordions id="121"]"
Welcome to our forum, Can you please go edit under Content tab please select active radio button any one of header. please see the screenshot. and update settings. http://i.imgur.com/Wbvvhg8.png Regards