{ "topic": "unknown/unknown/policies/errors", "headers": { "content-type": "application/vnd.eclipse.ditto+json" }, "path": "/", "value": { "status": 403, "error": "policies:policy.modificationinvalid", "message": "The Policy with ID 'com.acme:the_policy_id' could not be modified as the resulting Policy would be invalid.", "description": "There must always be at least one PolicyEntry with 'WRITE' permissions on resource 'policy:/'." }, "status": 403 }