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', 'f92fea0a94816ee159e5e0841433925a', '3.133.147.252', '1714186754', '1714186754', '/product_info.php?language=en&info=p246_Dream-Melody.html&XTCsid=41d98929aac05a618616c6b9cf3dbbec')

[XT SQL Error]