`key_holder_unidentified`

HTTP 409conflict

A key can be handed only to a member who has signed in to this organisation with eID. Choose another member.

Handling it

Fix the request and send it again. message says what is wrong, and param names the parameter where there is one. Keep the request_id: it lets Parasend find the request.

The error, as the API returns it

{
  "error": {
    "type": "conflict",
    "code": "key_holder_unidentified",
    "message": "A key can be handed only to a member who has signed in to this organisation with eID. Choose another member.",
    "param": null,
    "request_id": "req_5e69684dc3de68bf8651a712"
  }
}