null value in column "candidate_id" of relation "hr_applicant" violates not-null constraint DETAIL: Failing row contains (42, null, null, null, null, null, null, null, null, null, null, null, null, 4, 4, null, 0, null, null, normal, null, null, t, 2026-06-01 19:49:48.414815, null, null, 2026-06-01 19:49:48, null, 2026-06-01 19:49:48.414815, null, null, null, null, null, null, null, pending, f, f, null, null, null, null, null, null, null, null, f).