Werk #12172: Fixed CMC crash after migration from Nagios
| Component | The Checkmk Micro Core |
| Title | Fixed CMC crash after migration from Nagios |
| Date | Apr 27, 2021 |
| Checkmk Edition | Checkmk Enterprise (CEE) |
| Checkmk Version | 2.0.0p4 2.1.0b1 |
| 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.
