Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (42bd3a5d-a76c-42e6-92d5-08fe5ae90938, A5133428817, Santhosh A S, Amal Jyothi College of Engineering, 10, 0, , 2026-04-18 10:46:46.575227+00, 2026-04-18 10:46:46.575245+00, null, 0, 0, , ["Network Security and Intrusion Detection", "Smart Agriculture ..., santhosh-a-s).