API error · HTTP 422

`acting_user_not_found`

Acting user not found

HTTP status	422 Unprocessable Content
`code`	`acting_user_not_found`
`title`	Acting user not found
Retry?	No

What it means

The WALT-Acting-User header does not name an active user of your WALT organisation. WALT never creates users from this header (§4.3).

What to do

Do not retry unchanged. Send the email of an existing, active WALT user of your organisation, or leave the header out.

Example response

Branch on code, never on title or detail. detail varies; quote request_id to support.

HTTP

HTTP/1.1 422 Unprocessable Content
Content-Type: application/problem+json

{
  "type": "https://www.underwritinguk.ai/developers/errors/acting_user_not_found",
  "title": "Acting user not found",
  "status": 422,
  "code": "acting_user_not_found",
  "detail": "Acting user not found.",
  "request_id": "7b0b1e5c-2f7e-4a52-9a43-5b0d0f0e9d11"
}

All error codes · Error catalogue in the integration guide (§15) · Error handling and retries (§12.4)