error: null value in column "refserialize" of relation "history" violates not-null constraint

[Ing-Erick-Mtz-Electronico]

Hola, me encuentro probando el bot y al usar postgres me arroja el siguiente error:

severity: 'ERROR',
code: '23502',
detail: 'Failing row contains (12, ans_6b51db44-a37c-4689-ba31-06235b96c2ad, key_6ab57554-dc03-4b4c-976f-3ae79de995ff, call_action, null, 573146940325, {"delay": 0, "nested": [], "buttons": [], "capture": false, "key..., 2025-03-03 00:03:46.539751, null, 1).',
hint: undefined,
position: undefined,
internalPosition: undefined,
internalQuery: undefined,
where: 'SQL statement "INSERT INTO history (ref, keyword, answer, refserialize, phone, options, contact_id, created_at)\n' +
' VALUES (in_ref, in_keyword, in_answer, in_refserialize, in_phone, in_options, _contact_id, current_timestamp)"\n' +
'PL/pgSQL function save_or_update_history_and_contact(character varying,character varying,text,text,character varying,jsonb) line 15 at SQL statement',
schema: 'public',
table: 'history',
column: 'refserialize',
dataType: undefined,
constraint: undefined,
file: 'execMain.c',
line: '1982',
routine: 'ExecConstraints'

a alguien le ha sucedido este problema que me pueda ayudar?