1366 - Incorrect integer value: '' for column `magickland`.`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', 'da70l59dki5oqpken8tob5oij7', '18.119.120.8', '1718732731', '1718732731', '/index.php/cat/templates/xtc5/admin/images/icons/templates/xtc5/img/favicn.png')

[XT SQL Error]