1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'c8a1d38968a0712c8362922e1538af75', '18.224.149.242', '1714122134', '1714122134', '/product_info.php?info=p228_Auf-Wiedersehn.html&XTCsid=f88a86bf4ffc9ff2be90f468933efb62')

[XT SQL Error]