1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', '1e70f6ed292f2a44f7a227ab1bcd9137', '18.223.107.149', '1713610707', '1713610707', '/index.php?cat=c87_Wall-Art--Innenraumdekoration.html')

[XT SQL Error]