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', 'e89f4c8e8a1212c9c7669d7b9d4f80d8', '44.200.179.138', '1711675438', '1711675438', '/product_info.php/info/p1609_Guinea-Satellitenbild.html')

[XT SQL Error]