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', 'a4e8f3680f86f699259f1c4cb71a3c17', '18.190.156.212', '1713491727', '1713491727', '/product_info.php/info/p3240_Denmark-Relief-Map.html')

[XT SQL Error]