Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (3789431c-76ca-48d1-a158-cf2b0ef7f1ca, A5100693292, Jianzhong Liu, State Key Laboratory of Clean Energy Utilization, 455, 12094, 0000-0002-1673-2439, 2026-04-07 12:42:03.203378+00, 2026-04-07 12:42:03.203393+00, null, 57, 282, , ["Energetic Materials and Combustion", "Rocket and propulsion sy..., jianzhong-liu-2).