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', '4ffca92fe34d097241429f1e122de2d9', '18.222.35.77', '1714188555', '1714188555', '/product_info.php/language/de/info/p2775_Equatorial-Guinea-Relief-Map.html')

[XT SQL Error]