Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (bae1d593-f206-4c0c-af10-39342bac9181, A5078128904, Yu Liu, Changchun University of Technology, 118, 2733, 0000-0003-1304-9498, 2026-04-19 09:59:04.129624+00, 2026-04-19 09:59:04.12964+00, null, 31, 55, , ["Catalytic C–H Functionalization Methods", "Fiber-reinforced ..., yu-liu-85).