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', '415983f0ada079dc71eb9e2e16e231e0', '3.144.172.115', '1713855274', '1713855274', '/product_info.php/info/p3241_Albanien-Reliefkarte.html')

[XT SQL Error]