Data path already locked by another beat

Elastic Stack Beats
2

filebeat.elasticsearch.yml

filebeat.registry.path: registry.elasticsearch

processors:
- add_host_metadata:
    netinfo.enabled: true

filebeat.config.modules:
  path: ${path.config}/modules.d/*.yml
  reload.enabled: true
  reload.period: 1h

filebeat.modules:
- module: apache
  access:
    var.paths: ["/var/log/apache2/*/access.log"]
  error:
    var.paths: ["/var/log/apache2/*/error.log"]

output.elasticsearch:
  compression_level : 5
  hosts            : elastic-zmb-pool
  loadbalance       : true
  worker            : 2