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', 'dd0c026c4d73e35fccfdaf3c0741a07f', '216.73.216.126', '1751427866', '1751427866', '/product_info.php/info/p1514_Brasilien-Satellitenbild.html')

[XT SQL Error]