Elastic Security inside Kibana periodically stops responding and requires a Kibana restart

Elastic Stack Kibana
1

We are on 7.13.2. At least once a day, access to Elastic Security breaks down. Other areas of Kibana continue to work (Dashboard, Dev tools, etc.) but the Security area loads to a blank screen. When I bring up Kibana's status, it's red and specifies that Task Manager is unavailable. Below is a segment of the Kibana status results. Any idea on what could be causing this and what the solution may be?

plugin:lists@7.13.2
[security]: [taskManager]: Task Manager is unavailable
plugin:logstash@7.13.2
[2] services are unavailable
plugin:maps@7.13.2
[2] services are unavailable
plugin:monitoring@7.13.2
[7] services are unavailable
plugin:observability@7.13.2
[3] services are unavailable
plugin:osquery@7.13.2
[5] services are unavailable
plugin:remoteClusters@7.13.2
[2] services are unavailable
plugin:reporting@7.13.2
[security]: [taskManager]: Task Manager is unavailable
plugin:rollup@7.13.2
[indexManagement]: [2] services are unavailable
plugin:ruleRegistry@7.13.2
[2] services are unavailable
plugin:savedObjectsTagging@7.13.2
[security]: [taskManager]: Task Manager is unavailable
plugin:security@7.13.2
[taskManager]: Task Manager is unavailable

2

What do the Kibana logs show?
What about Elasticsearch?

3

Elasticsearch is fine, Kibana logs show a bunch of timed-out detections but nothing else. I converted a bunch of painless scripted runtime fields to normal fields and the issue hasn't returned, so maybe that was what was causing it.

4

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