Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (d2a866bc-5195-4325-9c64-ce01be4df457, A5009404806, M. Bolzonella, Osservatorio di Astrofisica e Scienza dello Spazio, 423, 23499, 0000-0003-3278-4607, 2026-04-15 22:54:06.578304+00, 2026-04-15 22:54:06.578319+00, null, 80, 228, , ["Astronomy and Astrophysical Research", "Galaxies: Formation, E..., m-bolzonella).