# Census: Some syncs failing with "Missing corresponding dataset file for prefix: record_deletes.0"

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-02-05 22:38 UTC · Resolved: 2025-02-05 23:30 UTC · Duration: 52 min
- Updates: 3 · Affected components: Sync Engine
- [Vendor status page: https://stspg.io/gwj8z6vj45kb](https://stspg.io/gwj8z6vj45kb)
- [Company: Census](https://rewindex.com/company/census.md)

## Summary

Census reported a major Sync Engine incident starting 2025-02-05 22:38 UTC: some syncs failed with "Missing corresponding dataset file for prefix: record\_deletes.0" after a code change introduced a bug. A revert deployed at 22:56 UTC; the incident was resolved at 2025-02-05 23:30 UTC after over 30 minutes without errors, with a computed duration of 51 min. _(machine-written, sol)_
## Timeline of updates

- **identified** 2025-02-05 22:38 UTC: A recent code change introduced a bug resulting in some syncs failing with the message "Missing corresponding dataset file for prefix: record\_deletes.0". We have identified the problematic change, and a revert is in progress.
- **monitoring** 2025-02-05 22:56 UTC: The revert has deployed.  We are monitoring to ensure that the errors subside.
- **resolved** 2025-02-05 23:30 UTC: No errors have been seen for over 30 minutes.  We are declaring the incident resolved.

## Rewindex changes for this incident

- 2025-02-05 22:38 UTC: [Major incident: Some syncs failing with "Missing corresponding dataset file for prefix: record\_deletes.0"](https://rewindex.com/change/i5121878e493f7f.md)


---
Canonical: https://rewindex.com/company/census/incidents/3wf0x7vjyngr · Markdown: https://rewindex.com/company/census/incidents/3wf0x7vjyngr.md · JSON: https://rewindex.com/api/v1/companies/census/incidents/3wf0x7vjyngr · Generated 2026-10-18T12:36:26.273Z