If everything is fine in the diagnostic tools, but chat windows remains empty: it can be a Websocket issue.Since Peertube version 5.0.0, there are some additional configuration to do on the server side.Check with the instance administrators that they did not forgot to apply changes listed in the [Peertube v5.0.0 release notes](https://github.com/Chocobozzz/PeerTube/blob/master/CHANGELOG.md#v500).
If you can't fix this immediatly, you can disable Websocket by unchecking "{{% livechat_label disable_websocket_label %}}" in the plugin setting page.In such case, you should also check "{{% livechat_label federation_dont_publish_remotely_label %}}", as chat federation won't work without Websocket.
[OBS](https://obsproject.com) is a popular Free And Open Source streaming software, with advanced capacities for your live streams.In the current page, you will find some advices to handle your live chats using OBS.
![Screenshot of a Peertubelive, replay, with the chat included at the bottom of the video stream.](/peertube-plugin-livechat/images/embed_chat_in_livestream.png?classes=shadow,border&height=200px "Embeding the chat in a livestream")
You can use the "{{% livechat_label share_chat_link %}}" feature to generate an URL to your chat.This button should be near the chat if you are the video owner (unless it was desactivated by your server admins).
![Screenshot of the "{{% livechat_label share_chat_link %}}" dialog, where the "{{% livechat_label read_only %}}" option is checked.](/peertube-plugin-livechat/images/share_readonly.png?classes=shadow,border&height=200px "Share link popup")