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', '3005479db41cbdab648b0fbcbd9341e7', '216.73.216.142', '1758241742', '1758241742', '/product_info.php/info/p1729_Komoren-Satellitenbild.html')

[XT SQL Error]