1366 - Incorrect integer value: '' for column `abtecsho_shop`.`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', '7lv8pod43idk5scd2vvf47kqu6', '13.58.172.13', '1746984213', '1746984213', '/shop_content.php/coID/14')

[XT SQL Error]