Werk #15120: Fix possible error on using host or service level filter
| Component | User interface |
| Title | Fix possible error on using host or service level filter |
| Date | Jan 3, 2023 |
| Checkmk Edition | Checkmk Raw (CRE) |
| Checkmk Version | 2.1.0p19 2.2.0b1 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
If you used host or service level filter in views with an event datasource, e.g. "Events of host & services", the error "Internal error: 'NoneType' object is not subscriptable" occurred.
