things:thing.conflict

{
  "topic": "unknown/unknown/things/twin/errors",
  "headers": {},
  "path": "/",
  "value": {
    "status": 409,
    "error": "things:thing.conflict",
    "message": "The Thing with ID 'com.acme:xdk_53' already exists",
    "description": "Choose another Thing ID"
  },
  "status": 409
}