Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (d3a9c515-ce87-40cf-a992-a5bcd081e78f, A5016266577, William G. Hardin, PRG S&Tech (South Korea), 18, 3534, 0000-0003-0557-7434, 2026-04-09 22:30:00.53404+00, 2026-04-09 22:30:00.53406+00, null, 10, 10, , ["Electrocatalysts for Energy Conversion", "Advanced battery tec..., william-g-hardin).