Werk #14471: Fix possible AttributeError on report rendering
| Component | Reporting & availability |
| Title | Fix possible AttributeError on report rendering |
| Date | Aug 17, 2022 |
| Checkmk Edition | Checkmk Enterprise (CEE) |
| Checkmk Version | 2.2.0b1 2.1.0p10 2.0.0p28 |
| Level | Trivial Change |
| Class | Bug Fix |
| Compatibility | Compatible - no manual interaction needed |
If an availability table with annotation using "Reclassify downtime of this period regard as scheduled downtime" was added to a report, the rendering of the report failed with an error like "AttributeError: 'NoneType' object has no attribute 'read'".