ECK with Openshift oauth

I am using Openshift verison 4.6 and using latest oauth proxy image.
Registry: registry.redhat.io

Repository: openshift4/ose-oauth-proxy

Error message on kibana-proxxy pod

oc logs kibana-kb-774b7d5548-ntmsj -n elastic kibana-proxy
2021/05/26 16:57:07 main.go:140: Invalid configuration:
  cannot read client-secret-file: open /var/run/secrets/kubernetes.io/serviceaccount/token: no such file or directory
  missing setting: client-id
  missing setting: client-secret