things:thing.notcreatable

{
  "topic": "unknown/unknown/things/twin/errors",
  "headers": {},
  "path": "/",
  "value": {
    "status": 400,
    "error": "things:thing.notcreatable",
    "message": "The Thing with ID 'com.acme:xdk_53' could not be created as the Policy with ID 'com.acme:the_policy_id' is not existing.",
    "description": "Check if the ID of the Policy you created the Thing with is correct and that the Policy is existing."
  },
  "status": 400
}