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', '48a1acd2d46ad13a06e1d62a9090b3ea', '216.73.216.150', '1762326532', '1762326532', '/product_info.php/language/en/info/p3980_Afrika-Satellitenbild.html')

[XT SQL Error]