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', 'f6bd27a1e73b1560f5a797ae8a15f747', '44.204.117.57', '1711719119', '1711719119', '/product_info.php/language/de/info/p1716_Guadeloupe-Satellitenbild.html')

[XT SQL Error]