Duplicate id

What it means

Another rule of the organisation already uses this id. A finding names exactly one rule, so ids are unique per organisation.

Example detail messages returned with this error:

• rule id acme-no-eval is already used by “No eval”.

What to do

Choose another id, or edit the existing rule.

Response shape

All fremforge API errors are RFC 9457 problem+json:

{
  "type": "https://docs.frem.sh/reference/api/errors/duplicate-id",
  "title": "Conflict",
  "status": 409,
  "detail": "..."
}

Branch on type, not on title or detail - those are human-readable and may be reworded.