# Sync Runs Failing with Undefined Column Error

- Provider: [Census](https://down.guide/census)
- Level: confirmed
- Impact: Degraded
- lasted 26m
- started 2025-06-06 17:52 UTC
- Sync Engine
- id: DWN-000cd26320
- Official page: https://stspg.io/ks3z8117g6tm

## Updates from Census
### 2025-06-06 17:52 UTC: monitoring
Some syncs started failing with the following error at 12:18pm (EST)
"ActiveRecord::StatementInvalid: PG::UndefinedColumn: ERROR: column sync\_configurations.new\_diff\_timestamp\_expression\_id does not exist"
This was due to a brief issue during a schema update. The problem has been resolved, and we are monitoring.

### 2025-06-06 18:18 UTC: resolved
This incident has been resolved.

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