Werk #14321: Fix possible TypeError when using views with group painter
| Component | User interface |
| Title | Fix possible TypeError when using views with group painter |
| Date | May 27, 2022 |
| Checkmk Editon | Checkmk Raw (CRE) |
| Checkmk Version | 2.1.0p1 2.2.0i1 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
Opening of views with group painters (Option "Grouping" on view edit page) could result in the error "TypeError: