{"errMsg":"TypeError: .keywordGroups[0].groupName -> should NOT be shorter than 1 characters","errId":"2026-01-21T11:13:45+09:00/224463527-467478563","body":"{\"startDate\":\"2025-01-21\",\"endDate\":\"2026-01-21\",\"timeUnit\":\"month\",\"keywordGroups\":[{\"groupName\":\"\",\"keywords\":[\"\"]}]}"}