1366 - Incorrect integer value: '' for column `creatihu_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', 'cdab97cc76db15cbad10609d0baf02a1', '34.204.166.236', '1685505990', '1685505990', '/shop_content.php?coID=1')

[XT SQL Error]