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', '2379c825f27d5c269c3f581a9296cde4', '216.73.216.191', '1758177949', '1758177949', '/product_info.php/language/de/info/p435_Satellitenbild-Konfigurator.html')

[XT SQL Error]