Werk #12527: Fix error handling of missing dashlet types

Component

User interface

Title

Fix error handling of missing dashlet types

Date

Mar 12, 2021

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.1.0b1	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
2.0.0p1	Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

If a dashboard contained a dashlet type that is not known, a KeyError occurred. Now a static dashlet is rendered instead, showing a message to remove the unknown dashlet type from the dashboard configuration.

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