# Error: \[type=illegal\_argument\_exception, reason=key \[types\] while integrating wazuh indexer (opensearch) to graylog

**URL:** <https://community.graylog.org/t/error-type-illegal-argument-exception-reason-key-types-while-integrating-wazuh-indexer-opensearch-to-graylog/33463>\
**Category:** Graylog Central (peer support)\
**Tags:** access-specific-log-, alert, dashboards, architecture, components\
**Created:** [September 7, 2024, 12:28pm UTC](https://community.graylog.org/t/error-type-illegal-argument-exception-reason-key-types-while-integrating-wazuh-indexer-opensearch-to-graylog/33463 "2024-09-07T12:28:42Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Wine\_Merchant](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/wine_merchant/32/14596_2.png) [@Wine\_Merchant](https://community.graylog.org/u/Wine_Merchant)\
**Post date:** [September 9, 2024, 8:27am UTC](https://community.graylog.org/t/error-type-illegal-argument-exception-reason-key-types-while-integrating-wazuh-indexer-opensearch-to-graylog/33463/2 "2024-09-09T08:27:09Z")

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Hello @lioson,

It looks like someone else had this issue, [does their solution fix the issue?](https://community.graylog.org/t/elasticsearch-exception-reason-key-types-is-not-supported-in-the-metadata-section/27468/6)

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_[View the full topic](https://community.graylog.org/t/error-type-illegal-argument-exception-reason-key-types-while-integrating-wazuh-indexer-opensearch-to-graylog/33463)._