RTCIceServer.url is deprecated! Use urls instead. app.js:25 Use of getPreventDefault() is deprecated. Use defaultPrevented instead. jquery.1.8.2.min.js:2:40278 Loading mixed (insecure) display content “<a href="http://imgsrv.roll20.net/?src=i.imgur.com/tv2Gvag.png”" rel="nofollow">http://imgsrv.roll20.net/?src=i.imgur.com/tv2Gvag.png”</a> on a secure page[Learn More] jquery.1.8.2.min.js:2:70985 Use of attributes’ nodeValue attribute is deprecated. Use value instead. app.js:46:12654 Loading mixed (insecure) display content “<a href="http://fc01.deviantart.net/fs71/f/2012/193/1/1/ogre_warrior_by_luk999-d56ydtb.jpg”" rel="nofollow">http://fc01.deviantart.net/fs71/f/2012/193/1/1/ogre_warrior_by_luk999-d56ydtb.jpg”</a> on a secure page[Learn More] jquery.1.8.2.min.js:2:67936 Loading mixed (insecure) display content “<a href="http://orig00.deviantart.net/fa4f/f/2012/193/1/1/ogre_warrior_by_luk999-d56ydtb.jpg”" rel="nofollow">http://orig00.deviantart.net/fa4f/f/2012/193/1/1/ogre_warrior_by_luk999-d56ydtb.jpg”</a> on a secure page[Learn More] editor Loading mixed (insecure) display content “<a href="http://orig00.deviantart.net/fa4f/f/2012/193/1/1/ogre_warrior_by_luk999-d56ydtb.jpg”" rel="nofollow">http://orig00.deviantart.net/fa4f/f/2012/193/1/1/ogre_warrior_by_luk999-d56ydtb.jpg”</a> on a secure page[Learn More] jquery.1.8.2.min.js:2:67936 This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning; see <a href="https://developer.mozilla.org/docs/Mozilla/Perfor" rel="nofollow">https://developer.mozilla.org/docs/Mozilla/Perfor</a>... for further details and to join the discussion on related tools and features! editor Show Character View Dialog! app.js:39 DELAY RENDER FOR ATTRIBUTES! app.js:38 239 app.js:33 A promise chain failed to handle a rejection. Did you forget to '.catch', or did you forget to 'return'? See <a href="https://developer.mozilla.org/Mozilla/JavaScript_" rel="nofollow">https://developer.mozilla.org/Mozilla/JavaScript_</a>... Date: Fri Jun 09 2017 18:05:32 GMT-0600 (Mountain Standard Time) Full Message: Error: page-thumbnail:error Full Stack: observe@resource://gre/modules/BackgroundPageThumbs.jsm:116:22 _onCaptureOrTimeout@resource://gre/modules/BackgroundPageThumbs.jsm:305:7 done@resource://gre/modules/BackgroundPageThumbs.jsm:451:7 _done@resource://gre/modules/BackgroundPageThumbs.jsm:470:7 notify@resource://gre/modules/BackgroundPageThumbs.jsm:428:5 BackgroundPageThumbs.jsm:116 The connection to wss://s-usc1c-nss-117.firebaseio.com/.ws?v=5&ns=roll20-9 was interrupted while the page was loading. firebase.2.4.0.js:168:158 Firebase Offline app.js:31 Player -Klq0z_Yb_cV3m4NDOLp is offline... app.js:35 Firebase Online app.js:31 As i said id do if it happened again here is the bug report for firefox