Problem of Emoji.
Please check the url attribute within your config.json (within NodeBB root).
See https://community.nodebb.org/topic/3392/config-json-updated-base_url-and-relative_path-no-longer-exist/10 for more details on this.
This is a simple plugin that provides a list of active users on Slack.
Feedback is appreciated.
@Tahru This pluggin dettects users active on Slack-ware services like Rocket.chat or Mattermost?