Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (f1e84d4b-7dee-413f-aeac-260979a0e35e, A5017114657, Huilin Pan, State Key Laboratory of Clean Energy Utilization, 53, 7543, 0000-0003-1205-9109, 2026-04-09 16:07:11.974609+00, 2026-04-09 16:07:11.974625+00, null, 23, 28, , ["Advanced Battery Materials and Technologies", "Advancements in..., huilin-pan-1).