In the server logs an error is fixed (the second day of using the chat)
[2017/05/12 18:55:09 MSK] [EROR] /api/v3/general/log_client:client code=0 rid=83z5cgm6wpf3jez9azjmbftade uid=3cd9q5tpui818xnkfh4xwhtrhc ip=10.1.143.207 msg: Uncaught RangeError: Unsupported time zone specified undefined row: 103 col: 22 stack: RangeError: Unsupported time zone specified undefined url: http://im.kadastr.ru/support-portal/channels/town-square [details: ]
what could be the problem?