Vercel incident: Elevated Function Invocation Errors in Stockholm region (ARN1)

Affected components

• Functions
• Routing Middleware

1. resolvedMay 28, 2026, 16:59 UTC

   This incident has been resolved.

2. monitoringMay 28, 2026, 16:37 UTC

   A fix has been implemented and we are monitoring the results.

3. identifiedMay 28, 2026, 16:18 UTC

   The issue has been identified and a fix is being implemented.

4. investigatingMay 28, 2026, 16:00 UTC

   We've identified an issue where some customers may experience elevated error rates when invoking functions in the ARN1 Edge Region. We are currently investigating this issue.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Vercel's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• LiveKit: Elevated Reports of Participant Connection Latency and Errors In US East RegionCritical · May 28, 2026, 14:53 UTC
• ReadMe: Refactored Hubs DownMajor · May 28, 2026, 14:35 UTC
• Akamai: Reporting Issues affecting URL Traffic and URL Responses reportsMinor · May 19, 2026, 10:13 UTC

How often does Vercel have incidents?

Vercel reported 24 incidents in the last 90 days, 10 of them major or critical. A typical incident lasted 59 min. See Vercel's uptime and incident history