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', 'd6bd481716c9997e26a86a0d324f89df', '216.73.216.150', '1762258411', '1762258411', '/product_info.php/language/de/info/p1798_Cape-Verde-8-Satellite-Image.html')

[XT SQL Error]