Outage in Census
Subset of syncs are failing with, "Passed `nil` into T.must"
Resolved MinorIncident Report
The issue has been identified and a fix is being implemented.
Components affected
Census Sync EngineTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
6 months ago - at 11/12/2025 08:01PM
This incident has been resolved.
MONITORING
6 months ago - at 11/12/2025 06:30PM
The error impacting some customer syncs has now been resolved and syncs are recovering.
The syncs impacted were runs with no new data changes to process. This happened due to a recent update that removed the part of our system that correctly handled "no change" scenarios. As a result, syncs without updates failed instead of completing successfully. Syncs with actual data changes were unaffected. We've rolled back the change, and all syncs are now running normally.
MONITORING
6 months ago - at 11/12/2025 06:30PM
The error impacting some customer syncs has now been resolved and syncs are recovering.
The syncs impacted were runs with no new data changes to process. This happened due to a recent update that removed the part of our system that correctly handled "no change" scenarios. As a result, syncs without updates failed instead of completing successfully. Syncs with actual data changes were unaffected. We've rolled back the change, and all syncs are now running normally.
IDENTIFIED
6 months ago - at 11/12/2025 05:41PM
The issue has been identified and a fix is being implemented.
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