Error code

Value already in use

Another record already has a value that must be unique. The `errors` list names the fields.

Fig. 03 Ratchet and pawlThe wheel turns freely one way, and the pawl stops it turning back.

Code: DUPLICATE_VALUE
Management API: 400

What to do

Choose a different value for those fields.

The response

Every refusal is an application/problem+json document. Its detail says what went wrong in that request; its type is this page.

{
  "code": "DUPLICATE_VALUE",
  "type": "https://coho-cms.com/errors/duplicate-value",
  "title": "Value already in use",
  "status": 400,
  "detail": "What went wrong in this request, in a sentence.",
  "instance": "/v1/projects/…"
}

Every code

The error codes, in a table with a filter.