Werk #12172: Fixed CMC crash after migration from Nagios

Component cmc
Title Fixed CMC crash after migration from Nagios
Date Apr 27, 2021
Checkmk Editon Checkmk Enterprise (CEE)
Checkmk Version 2.1.0i1 2.0.0p4
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When a site is migrated from using the Nagios core to using the CMC and there are already non-persistent acknowledgements, the CMC will crash during startup. This has been fixed, and those acknowledgements will still be there.

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