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', '9abd7c52bd0c7fe39493ff4413783bf4', '216.73.216.145', '1761172808', '1761172808', '/product_info.php/info/p1603_Ecuador-Satellitenbild.html')

[XT SQL Error]