Chat not loading, failed to load resource.

https://i.imgur.com/3OevDhx.png
Failed to load resource: the server responded with a status of 403 (Forbidden)
wpmudev-chat.js?ver=2.2:142 init: error HTTP Status[403] Forbidden
http://automated.church/wp-content/plugins/wordpress-chat/wpmudev-chat-ajax.php Failed to load resource: the server responded with a status of 403 (Forbidden)
Do you know why the chat is not showing..
and I am getting these errors in the developers console?