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', '3c7ad8d611c121a1bf71d2f00188960a', '3.144.97.189', '1713891042', '1713891042', '/index.php/cat/c29_Kontinente.html')

[XT SQL Error]