title: trouble getting converse.js to run
body: <p>I'm trying to run converse.js on my system.
  I've configured the xmpp server (prosody) and verified that the bosh service works as it should.
  Now when I try to invoke it from chrome, I get the following error:</p>
  
  <blockquote>
    <p>converse.js:39566  FATAL: Error: Failed to execute 'appendChild' on
    'Node': Only one element on document allowed.
        at child._ensureElement (<a href="https://cdn.conversejs.org/dist/converse.js:42192:32" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:42192:32</a>)
        at child.Backbone.View (<a href="https://cdn.conversejs.org/dist/converse.js:38271:10" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:38271:10</a>)
        at child.constructor (<a href="https://cdn.conversejs.org/dist/converse.js:39035:21" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:39035:21</a>)
        at child.Backbone.Overview (<a href="https://cdn.conversejs.org/dist/converse.js:41669:10" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:41669:10</a>)
        at new child (<a href="https://cdn.conversejs.org/dist/converse.js:38932:41" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:38932:41</a>)
        at Object. (<a href="https://cdn.conversejs.org/dist/converse.js:42252:34" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:42252:34</a>)
        at triggerEvents (<a href="https://cdn.conversejs.org/dist/converse.js:37416:57" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:37416:57</a>)
        at triggerApi (<a href="https://cdn.conversejs.org/dist/converse.js:37404:19" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:37404:19</a>)
        at eventsApi (<a href="https://cdn.conversejs.org/dist/converse.js:37203:16" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:37203:16</a>)
        at Object.Events.trigger (<a href="https://cdn.conversejs.org/dist/converse.js:37394:5" rel="nofollow noreferrer">https://cdn.conversejs.org/dist/converse.js:37394:5</a>)</p>
  </blockquote>
  
  <p>Does anyone have an idea what is going wrong?</p>