1366 - Incorrect integer value: '' for column `abtecsho_shop`.`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', 'r0i3lmdo4r3060spfl84qhfk73', '216.73.216.3', '1762183901', '1762183901', '/product_info.php/info/p5929_-Jockel-P-50-GJ--50-kgl---Pulverloescher.html')

[XT SQL Error]