Werk #14473: Fix GUI crash if unknown theme was used in global settings

Component

User interface

Title

Fix GUI crash if unknown theme was used in global settings

Date

Aug 18, 2022

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.1.0p11	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

If an unknown theme was configured in the global settings within "User interface theme", the GUI crashed without an error message.

This was seen with a configured classic theme in 1.6, an update to 2.0 without problems and the mentioned crash on update to 2.1.