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', 'd9f3262afbaa8114dc1f8ad5f5d5a647', '216.73.216.3', '1766796384', '1766796384', '/product_info.php/info/p1655_Franzoesisch-Guayana-Satellitenbild.html')

[XT SQL Error]