{"code":"unknown_department","type":"https://developers.stylumia.com/errors/unknown_department","status":400,"title":"Unknown department","retryable":false,"meaning":"The `department` value is not recognised for the retailer you queried.","causes":["The value was guessed rather than taken from a coverage response.","The department exists for a different retailer, but not this one."],"recovery":"Call `GET /v1/coverage` to list the retailer, category and department combinations available to you, or use one of the suggestions in `valid_options`.","extensions":["field","valid_options"]}