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', '2b4a0a8369f3207cd3e0c4c2b2f5986c', '13.58.252.8', '1713510885', '1713510885', '/shopping_cart.php?XTCsid=638bbe3e68bb73ad3db5aa2ad24a3591')

[XT SQL Error]