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Outage in Vercel

Elevated INTERNAL_UNEXPECTED_ERROR error rates for some deployments

Resolved Minor
April 02, 2026 - Started 27 days ago - Lasted about 5 hours
Official incident page

Incident Report

Summary AI Generated

Vercel experienced elevated INTERNAL_UNEXPECTED_ERROR responses affecting some customer deployments for 4.5 hours, with the Builds component impacted. Deployments created between 16:10 to 19:12 UTC were particularly affected, and customers were advised to redeploy or perform instant rollbacks to resolve issues. The incident was resolved after Vercel identified the root cause and rolled out a fix.

We are investigating reports of elevated INTERNAL_UNEXPECTED_ERROR responses affecting some customer deployments. We will provide updates as we learn more.
Components affected
Vercel Builds

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Latest Updates ( sorted recent to last )
RESOLVED 27 days ago - at 04/02/2026 11:09PM

This incident has been resolved.

MONITORING 27 days ago - at 04/02/2026 08:02PM

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.

IDENTIFIED 27 days ago - at 04/02/2026 07:26PM

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.

INVESTIGATING 27 days ago - at 04/02/2026 06:39PM

We are investigating reports of elevated INTERNAL_UNEXPECTED_ERROR responses affecting some customer deployments. We will provide updates as we learn more.

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