[ERROR][Elasticsearch-service] Unable to retrieve version information from Elasticsearch nodes. security_exception: [security_exception] Reason: missing authentication credentials for REST request [/_nodes?filter_path=nodes..version%2Cnodes..http.publish_address%2Cnodes.*.ip]
I got this error when i tried to open kibana server. Without this, it shows Kibana server not ready. I did try to change the username and password in kibana.yml file but to no avail. I'm new to this topic. I would appreciate your help.