Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (5fb90040-e8f8-4d4c-8a73-ee1919fc5cd5, A5102899147, Mark Novotny, Munich Center for Machine Learning, 70, 6119, 0000-0003-3216-8425, 2026-04-06 09:55:57.26452+00, 2026-04-06 09:55:57.264535+00, null, 32, 43, , ["Single-cell and spatial transcriptomics", "Microbial Community..., mark-novotny).