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', 'c5fc2d83f0d6a06307d8b94b0e2eb847', '3.17.174.239', '1713589973', '1713589973', '/product_info.php/info/p2854_Australien-Reliefkarte.html')

[XT SQL Error]