Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (6a558759-6eee-4cef-9a5f-11426bfde030, A5100407668, Zhe Wang, Kangda College of Nanjing Medical University, 42, 3630, , 2026-02-25 22:26:51.092453+00, 2026-04-15 23:09:41.492123+00, null, 19, 24, , ["Cancer-related gene regulation", "Epigenetics and DNA Methylat..., zhe-wang-12).