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', 'i2a58q0ik87mub6jdmur7i4ar0', '13.59.36.203', '1714005875', '1714005875', '/login.php?XTCsid=i2a58q0ik87mub6jdmur7i4ar0')

[XT SQL Error]