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', '74d3f5c51903cf5922188a4f58bdd8f9', '216.73.216.65', '1752613026', '1752613026', '/product_info.php/language/de/info/p4012_Erde-Satellitenbild.html')

[XT SQL Error]