{"error":{"message":"Missing 'GoCardless-Version' header","errors":[{"reason":"missing_version_header","message":"Missing 'GoCardless-Version' header"}],"documentation_url":"https://developer.gocardless.com/api-reference#missing_version_header","type":"invalid_api_usage","request_id":"23BF12DEB848_0A140EFE1F92_689008D8_2EFC790001","code":400}}