Could not fetch author data: null value in column "affiliation_country" of relation "journals_cachedauthor" violates not-null constraint DETAIL: Failing row contains (5d1199ef-a579-439b-9ea6-e5b4bc8cede0, A5061231033, Yacong Hou, State Key Laboratory of Tribology, 12, 352, 0009-0001-8551-4822, 2026-05-02 08:12:19.820605+00, 2026-05-02 08:12:19.820622+00, null, 7, 6, , ["Surface Modification and Superhydrophobicity", "Advanced Senso..., yacong-hou).