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

# 409 binding_conflict

> A provisional assessment cannot be bound to the requested account.

HTTP 409Not retryable

## What to do

Use the original binding target on a retry. Bind a provisional signup before attaching outcomes, enforcements or issued keys. This route does not merge arbitrary accounts.

## In the SDKs

The Node and Python SDKs raise `ConflictError`. The Go SDK returns `*apierrors.ConflictError`, which you match with `errors.As`.

```json title="409 binding_conflict" theme={"theme":{"light":"github-light-default","dark":"github-dark-default"}}
{
  "type": "https://docs.noresponse.org/problems/binding-conflict",
  "title": "Provisional binding conflict",
  "status": 409,
  "detail": "The assessment is already bound elsewhere, is not provisional, or its source account has state that cannot be silently transferred.",
  "code": "binding_conflict",
  "request_id": "5e8be3a91fde9499f7ce48ae66290895"
}
```

Every error has this shape. [Errors and limits](https://docs.noresponse.org/reference/errors.md) lists every code.


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