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', '01a7b11e9f483e638d5aac69021af1a2', '216.73.216.65', '1752613981', '1752613981', '/product_info.php/language/de/info/p1793_Die-Bahamas-14-Satellitenbild.html')

[XT SQL Error]