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', 'acd32ed70b6996f4b0ecadae729edb48', '216.73.216.3', '1767614955', '1767614955', '/product_info.php?info=p1619_Tschechische-Republik-Satellitenbild.html')

[XT SQL Error]