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', '5ec48f084c40cf975c03db40fe93670b', '3.149.252.37', '1713589551', '1713589551', '/product_info.php/info/p3239_Franzoesisch-Guayana-Reliefkarte.html')

[XT SQL Error]