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', 'ee5b7e5e0db8322c2a8d18d4fa615eac', '3.227.252.87', '1711624308', '1711624308', '/product_info.php/language/de/info/p2949_Uganda-Reliefkarte.html')

[XT SQL Error]