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Werk #11757: Fix broken bookmark snapin

Component User interface
Title Fix broken bookmark snapin
Date Dec 8, 2020
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
2.0.0b2 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

The error "TypeError: '<' not supported between instances of 'NoneType' and 'str'" could appear when using the bookmark snapin of the sidebar.

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