{"action":"opened","issue":{"url":"https://api.github.com/repos/Polymer/firebase-element/issues/54","labels_url":"https://api.github.com/repos/Polymer/firebase-element/issues/54/labels{/name}","comments_url":"https://api.github.com/repos/Polymer/firebase-element/issues/54/comments","events_url":"https://api.github.com/repos/Polymer/firebase-element/issues/54/events","html_url":"https://github.com/Polymer/firebase-element/issues/54","id":123791769,"number":54,"title":" prototype.registerCallback is not a function","user":{"login":"arunabhdas","id":420937,"avatar_url":"https://avatars.githubusercontent.com/u/420937?v=3","gravatar_id":"","url":"https://api.github.com/users/arunabhdas","html_url":"https://github.com/arunabhdas","followers_url":"https://api.github.com/users/arunabhdas/followers","following_url":"https://api.github.com/users/arunabhdas/following{/other_user}","gists_url":"https://api.github.com/users/arunabhdas/gists{/gist_id}","starred_url":"https://api.github.com/users/arunabhdas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/arunabhdas/subscriptions","organizations_url":"https://api.github.com/users/arunabhdas/orgs","repos_url":"https://api.github.com/users/arunabhdas/repos","events_url":"https://api.github.com/users/arunabhdas/events{/privacy}","received_events_url":"https://api.github.com/users/arunabhdas/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-12-24T11:04:11Z","updated_at":"2015-12-24T11:04:11Z","closed_at":null,"body":"Using firebase-element with Polymer 1.2.1 and getting the following error \r\n\r\nUncaught TypeError: prototype.registerCallback is not a functiondesugar @ polymer-micro.html:74window.Polymer @ polymer-micro.html:58(anonymous function) @ firebase-element.html:132\r\ninput-header.html:52 Login was clicked"}}