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', 'ab366fd4cee8060340dde77a63b84a35', '3.21.231.245', '1715168746', '1715168746', '/product_info.php/info/p3188_Burkina-Faso-Reliefkarte.html')

[XT SQL Error]