kubernetes – Elasticsearch own logs are not showing up in kibana

I am running a elasticsearch, Kibana, Filebeat in a GCP OKE Cluster using helm chart( from elsticsearch official site)
github.com/elastic/helm-charts

All are up and running fine. even I am able to see the file beat logs in Kibana Discovery but getting below error in Kibana stack monitoring even I have added the Elasticsearch module in filebeat configuration (as shown below)

# filebeat.yml Configuration
---
daemonset:
  enabled: true
  filebeatConfig:
    filebeat.yml: |
      filebeat.inputs:
      - type: container
        paths:
          - /var/log/containers/*.log
        processors:
        - add_kubernetes_metadata:
            host: ${NODE_NAME}
            matchers:
            - logs_path:
                logs_path: "/var/log/containers/"
      filebeat.modules:
      - module: elasticsearch
        server:
          enabled: true
        gc:
          enabled: true
        audit:
          enabled: true
        slowlog:
          enabled: true
        deprecation:
          enabled: true
      output.elasticsearch:
        host: '${NODE_NAME}'
        hosts: ["elasticsearch-master:9200"]