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', '5dfb8e2ed6630f99d6b94790b1dcb18f', '216.73.216.142', '1758233507', '1758233507', '/product_info.php/info/p1820_Franzoesisch-Polynesien-4-Satellitenbild.html')

[XT SQL Error]