{ "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 }