null value in column "candidate_id" of relation "hr_applicant" violates not-null constraint DETAIL: Failing row contains (43, null, null, null, null, null, null, null, null, null, null, null, null, 4, 4, null, 0, null, null, normal, null, null, t, 2026-03-24 22:25:12.910135, null, null, 2026-03-24 22:25:12, null, 2026-03-24 22:25:12.910135, null, null, null, null, null, null, null, pending, f, f, null, null, null, null, null).