Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (22677e7c-45e7-47bb-8fbe-c4d2c6adab43, A5048861401, Rajendra Prasad Singh, Raffles University, 502, 10623, 0000-0002-6597-9737, 2026-04-21 06:35:11.376315+00, 2026-04-21 06:35:11.376334+00, null, 50, 193, , ["Hydrology and Watershed Management Studies", "Fluorine in Orga..., rajendra-prasad-singh).