null value in column "candidate_id" of relation "hr_applicant" violates not-null constraint DETAIL: Failing row contains (39, null, null, null, null, null, null, null, null, null, null, null, null, 4, 4, null, 0, null, null, normal, null, null, t, 2026-08-04 20:00:39.151232, null, null, 2026-08-04 20:00:39, null, 2026-08-04 20:00:39.151232, null, null, null, null, null, null, null, null, pending, f, f, null, null, f, null, null, null, null, null).