Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (bfebf457-99e5-4c60-a5ef-79f4995e2d72, A5037894200, S. Ragaini, Osservatorio di Astrofisica e Scienza dello Spazio, 6, 2318, , 2026-04-16 16:53:15.598472+00, 2026-04-16 16:53:15.598487+00, null, 4, 3, , ["Stellar, planetary, and galactic studies", "Astronomy and Astr..., s-ragaini-1).