Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (cb35043e-8c79-48b5-8f06-da182913d44a, A5110048706, G. Dirnberger, Ludwig Boltzmann Institute for Digital Health and Prevention, 23, 672, , 2026-04-22 09:10:55.912437+00, 2026-04-22 09:10:55.912452+00, null, 10, 10, , ["EEG and Brain-Computer Interfaces", "Neurological disorders an..., g-dirnberger).