Werk #11942: webapi: fix TypeError when formatting tags

Component Core & setup
Title webapi: fix TypeError when formatting tags
Date Feb 22, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 1.6.0p22 2.0.0p2 2.1.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When formatting an error message, the formatting code crashed when the tag contained "None" as a value.

This behavior has been fixed. No further action is needed.

To the list of all Werks