Werk #14282: Master control: Fix rendering errors of dead sites

Component User interface
Title Master control: Fix rendering errors of dead sites
Date Jul 15, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.2.0i1 2.1.0p7
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

Rendering the master control snapin could fail with an exception like "TypeError: Unsupported type " in case a site was not reachable.

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