element-hq / element-hq/synapse
Unexplained room upgrade failure with `max() arg is an empty sequence`
Open
A-Room-Upgrades
P4
S-Minor
T-Defect
- Dominant language
- Python
- Stars
- 4.6k
- Forks
- 600
- Avg merge
- 5d 22h
- Merged PRs (30d)
- 51
Description
This issue has been migrated from [#12688](https://github.com/matrix-org/synapse/issues/12688).
---
Internal users: https://sentry.matrix.org/sentry/synapse-matrixorg/issues/248863
```
StopIteration: {'$SKfkhwqUjfTruV99ydH_xDOSJpRxbs1z1KwB0dr4k5Y': EventCacheEntry(event=, redacted_event=None), '$uVGqVzqiPxaazaB4u2A2qyMgKBN7sgH9UAOyZbsBFT8': EventCacheEntry(event=, redacted_event=None), '$PfPdbEHyuznWN1owZPmSKuOJIrVYAdLODXKcd5pf5SQ': EventCacheEntry(event=
Contributor guide
Assessment
This issue has not been assessed yet.