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', '9cd7ed523e39f04b965601b4128d720e', '216.73.216.3', '1767320283', '1767320283', '/product_info.php?info=p1580_New-Zealand-Satellitenbild.html')

[XT SQL Error]