Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (2be2e89c-87e6-4a0c-b500-863da67a46f8, A5098711105, Amran Mezher Lawas, Mazaya University College, 1, 203, , 2026-04-12 00:04:11.411239+00, 2026-04-12 00:04:11.411251+00, null, 1, 1, , ["Anaerobic Digestion and Biogas Production", "Carbon Dioxide Ca..., amran-mezher-lawas).