Empty output from host | Missing monitoring data for all plugins

CMK version: 2.2.0p21

Error message:

This is happening on some hosts. CMK Performance is good, so I guess it’s a problem with the hosts. The latest Agent is installed with only 2 Plugins; Agent Updater and Encryption. Any Ideas on how to troubleshoot this? If I query the agent with a connection test in the CheckMK UI, I can’t reproduce the error. As seen in the screenshot, the error only occurs occasionally.

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