{"errMsg":"TypeError: .keywordGroups[0].groupName -> should NOT be shorter than 1 characters","errId":"2026-02-23T00:16:07+09:00/816941847-916725681","body":"{\"startDate\":\"2025-02-22\",\"endDate\":\"2026-02-22\",\"timeUnit\":\"month\",\"keywordGroups\":[{\"groupName\":\"\",\"keywords\":[\"\"]}]}"}