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', 'ot6fi7arpugs1gkqh47jodu3u5', '18.216.249.66', '1718732942', '1718732942', '/index.php/cat/images/product_images/thumbnail_images/admin/images/icons/templates/xtc5/img')

[XT SQL Error]