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[telemetry] policyengine-simulation-py: ValueError (fd585871e88638b5) #4138
Description
The daily telemetry error report opened this issue for a production error group. Each run replaces the marked section below with the latest day's measures; text outside it is kept.
Error group fd585871e88638b5
- Kind: exception (fingerprint algorithm 2)
- Service:
policyengine-simulation-py - Exception type:
ValueError - Most frequent route:
- - Window: 2026-10-29 00:00 EDT to 2026-10-30 00:00 EDT (24 hours)
| Measure | Production | Staging |
|---|---|---|
| Occurrences | 3 | 0 |
| Affected requests | 3 | 0 |
| Observability IDs | 3 | 0 |
| Error rate on affected routes | n/a | n/a |
| Occurrences per hour | 0.12 | 0.00 |
| Occurrences per hour, previous 7 days | 0.00 | 0.00 |
| First seen in the last 8 days | 2026-10-29 17:32 EDT | n/a |
| Last seen | 2026-10-29 17:34 EDT | n/a |
Related fingerprints (sharing traces): 0582beb9b4b430c5, 6c500c9fed38fc4c
Matching log records in Logs Explorer, for the window only. It needs read access to the policyengine-observability project.
Activity
anth-volk commentedon Nov 9, 2026
Closing as not planned: the policies behind these records were sent by outside clients, plus one app unit test that no longer calls production (PolicyEngine/policyengine-app-v2#1504), with period keys or values the model can't read. The Public API now refuses new policies like these with a 400 (#4142).