> ## Documentation Index
> Fetch the complete documentation index at: https://docs.permitcore.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Conflict

> 409 — The request conflicts with the current state of the resource.

The request conflicts with the current state of the resource.

```json 409 application/problem+json theme={null}
{
  "type": "https://docs.permitcore.io/errors/conflict",
  "title": "Conflict",
  "status": 409,
  "detail": "…",
  "instance": "/v1/keys",
  "request_id": "req_1f07fb45782b445e9f6312ba23921234"
}
```

Every PermitCore error is [RFC 9457](https://www.rfc-editor.org/rfc/rfc9457)
`application/problem+json`. **Branch on `type` (a stable URI)**, not on `title`
or `detail` (human-readable, may change).

## When it occurs

A write could not be applied because it collided with existing state (e.g. a duplicate or concurrent modification).

## How to fix

Re-read the resource state and resubmit a non-conflicting request. Not blindly retryable.

**Not retryable** — fix the request before resubmitting; retrying unchanged returns the same error.

See the full [error catalog](/errors) for the response shape and retry matrix.
Every response carries an `x-request-id` header — include it in any support request.