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', '15667ea29dde5a36f1ae63991e72f0a4', '3.22.181.81', '1713562940', '1713562940', '/product_info.php/language/de/info/p3346_Australien-Reliefkarte.html')

[XT SQL Error]