While retrieving data for this widget, the following error(s)

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1. Describe your incident:
Have configured graylog in k8s on-prem cluster using kongz helm chart. we used minimal configurations. syslog and GELF ports are open. but we cannot see the sent messages in the graylog dash boards in inputs.

While retrieving data for this widget, the following error(s) occurred: Elasticsearch exception [type=illegal_argument_exception, reason=key [types] is not supported in the metadata section].

2. Describe your environment:

  • OS Information: ubuntu 22.04

  • Package Version: 5.6

3. What steps have you already taken to try and solve the problem?
Community had an answer to enable the below. I have enabled but did not help. in graylog config.

elasticsearch_index_prefix = graylog

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