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', '35978de920cc0089d04b249565983009', '3.138.138.144', '1713264486', '1713264486', '/shop_content.php?coID=1&XTCsid=41d98929aac05a618616c6b9cf3dbbec')

[XT SQL Error]