Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (456e3a38-59d3-436b-a522-03aaaa9f36bb, A5018233177, Wei Zhang, Naval Research Academy, 248, 3675, 0000-0002-3584-8541, 2026-04-19 07:16:15.164528+00, 2026-04-19 07:16:15.16454+00, null, 25, 52, , ["Advanced Fiber Optic Sensors", "Photonic and Optical Devices",..., wei-zhang-220).