1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'anecnqaf0rq4980i4hpv9lold3', '52.91.54.203', '1711715157', '1711715157', '/login.php?XTCsid=anecnqaf0rq4980i4hpv9lold3')

[XT SQL Error]