Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (87b69e9c-5514-4c19-8999-28173874a5ff, A5100659514, Zhaoyu Wang, State Key Laboratory of Low-Dimensional Quantum Physics, 153, 4616, 0000-0002-8453-643X, 2026-02-28 13:23:43.609238+00, 2026-04-07 22:06:24.717207+00, null, 36, 62, , ["Luminescence and Fluorescent Materials", "Topological Material..., zhaoyu-wang).