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', '8348c7ca09b26dd675e227b3e358d1bf', '216.73.216.3', '1767602775', '1767602775', '/product_info.php?info=p2984_Bosnien-Reliefkarte.html')

[XT SQL Error]