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', 'eda60a3f80d19a79f005b686d8a3cb1a', '216.73.216.28', '1763580475', '1763580475', '/product_info.php?info=p1561_Vereinigtes-Koenigreich-Satellitenbild.html')

[XT SQL Error]