# Vercel: Build failures and 500 errors for functions using Edge runtime

- Provider: [Vercel](https://outages.cc/vercel.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-28 13:44 UTC
- Resolved: 2026-09-28 14:11 UTC (lasted 27 min)
- Components: Builds, Build & Deploy - Builds
- Official update: https://stspg.io/p633qkgvpdsy

## Updates from Vercel

### resolved, 2026-09-28 14:11 UTC

This incident has been resolved.

### monitoring, 2026-09-28 13:44 UTC

A small number of customers who built or deployed functions using Edge runtime between 13:01 and 13:11 UTC experienced elevated rates of build failures due to unexpected error. Some builds succeeded but resulted in 500 errors from functions using Edge runtime. Re-deploy functions using Edge runtime to accelerate remediation.