1366 - Incorrect integer value: '' for column `shop_db3`.`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', '4acac6ae6270383b033610dea4d2f914', '3.143.168.172', '1713888956', '1713888956', '/popup_content.php?coID=1&XTCsid=816effff2570c607585d0dd8551d2406')

[XT SQL Error]