things:acl.not.allowed

{
  "topic": "unknown/unknown/things/twin/errors",
  "headers": {},
  "path": "/",
  "value": {
    "status": 400,
    "error": "things:acl.not.allowed",
    "message": "The schema version of the Thing with ID 'com.acme:xdk_53' does not allow Access Control List.",
    "description": "Things in schema version 2 and higher use policies for permission management."
  },
  "status": 400
}