1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'b2935e2e3e2618c395f0bc30f6760826', '18.232.66.188', '1711716359', '1711716359', '/shop_content.php/coID/25')

[XT SQL Error]