Werk #13820: Fix listing ruleset 500 error

Component REST API
Title Fix listing ruleset 500 error
Date Mar 30, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.2.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When listing rulesets through the REST API, a 500 Internal Server error could occur.

This is fixed with this Werk.

There are no further actions to be taken by the user.

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