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', '2f1f0ca8cd9e37cdb30072a85d95e1fe', '3.236.147.122', '1711719387', '1711719387', '/product_info.php/info/p3285_Die-Bahamas-4-Reliefkarte.html')

[XT SQL Error]