Werk #13619: Fix crash due to dashboard's ill configured with software inventory object restriction

Component User interface
Title Fix crash due to dashboard's ill configured with software inventory object restriction
Date Mar 16, 2022
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.2.0i1 2.1.0b3
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

If you configured a dashboard with the object restriction "show information of a single software package", that setting produced a misconfiguration of the dashboard specification. When updating to checkmk 2.1 your site is unusable and you can only see a crash report with the message:

TypeError ('NoneType' object is not iterable)

This werk fixes the crash, yet we still recommend to remove dashboards that use that restriction.

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