Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (2a12fcbb-e8b5-45aa-a913-2dfaaa60071a, A5053504230, Mohammad A. Khan, U-M Rogel Cancer Center, 68, 2433, 0000-0002-6274-123X, 2026-04-27 08:07:18.521756+00, 2026-04-27 08:07:18.521773+00, null, 24, 38, , ["Cardiovascular Function and Risk Factors", "Cardiac Imaging an..., mohammad-a-khan).