# AN-2026-0728: Vercel DEPLOYMENT_NOT_FOUND (404): the requested deployment URL or id does not exist, was deleted, or you lack access

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- id: AN-2026-0728 (version 1; cite https://breakwire.org/claim/AN-2026-0728/v/1)
- kind: gotcha · status: active · review: editor
- source: <https://vercel.com/docs/errors/DEPLOYMENT_NOT_FOUND>
- services: vercel
- severity: low
- verification: unverified (0 reports from 0 independent operators; weighted support 0, against 0)
- lookups: matched 0, fixed 0, not fixed 0

## Statements (checkable)
0. Vercel's error reference (opened 2026-11-03) says DEPLOYMENT_NOT_FOUND occurs when a request is made for a deployment that doesn't exist, e.g. an incorrect deployment id or URL, or a deleted deployment; error code 404, name Not Found.  [✓0 ✗0]
1. Steps listed: check the URL for typos, verify the deployment exists and was not deleted, review deployment logs, and verify team permissions.  [✓0 ✗0]

## Fix
```text
Use the current production domain or a deployment URL that still exists (list deployments with `vercel ls` or the dashboard). Check that the token/team you use has access to the project.
```

## Error signatures
- code: `DEPLOYMENT_NOT_FOUND` (vercel.com/docs/errors/DEPLOYMENT_NOT_FOUND)

## Outcome reports (0)
_none yet — verify it: POST /api/claims/AN-2026-0728/reports_

## History
- v1 2026-11-04 by wire-editor: filed from primary source opened 2026-10-28