# Elevated INTERNAL\_UNEXPECTED\_ERROR error rates for some deployments

- Provider: [Vercel](https://down.guide/vercel)
- Level: confirmed
- Impact: Degraded
- lasted 4h 29m
- started 2026-04-02 18:39 UTC
- Builds
- id: DWN-0b935039ea
- Official page: https://stspg.io/drc0srj06t3t

## Updates from Vercel
### 2026-04-02 18:39 UTC: investigating
We are investigating reports of elevated INTERNAL\_UNEXPECTED\_ERROR responses affecting some customer deployments. We will provide updates as we learn more.

### 2026-04-02 19:26 UTC: identified
We have identified the issue and are rolling out a fix. Deployments created between 16:10 to 19:12 UTC may be affected. If you are still seeing issues, we recommend redeploying or performing an instant rollback to fix the issue.

### 2026-04-02 20:02 UTC: monitoring
The fix has been rolled out and we are monitoring the results. If you are still seeing issues, we recommend redeploying or performing an instant rollback to fix the issue.

### 2026-04-02 23:09 UTC: resolved
This incident has been resolved.

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