1366 - Incorrect integer value: '' for column `shop_db3`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '1e478605252dad6f287ee8887f66de05', '18.191.5.239', '1713599563', '1713599563', '/redirect.php?action=product&id=247&XTCsid=5e10770c3e5d1353aa8ec3f7bd33fee6')

[XT SQL Error]