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', 'c9e3e4dbdf768447c2f453797eecab71', '3.144.109.5', '1713591680', '1713591680', '/product_info.php/info/p3396_Irak-Reliefkarte.html')

[XT SQL Error]