null value in column "candidate_id" of relation "hr_applicant" violates not-null constraint DETAIL: Failing row contains (1, null, null, null, null, null, null, null, null, null, null, null, null, 4, 4, null, 0, null, null, normal, null, null, t, 2026-01-11 12:14:56.786713, null, null, 2026-01-11 12:14:56, null, 2026-01-11 12:14:56.786713, null, null, null, null, 7, null, null, null, pending, f, f, null, null, null, null, null).