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', '6b6adb8e5c48ff0020e6acabe771a319', '18.191.223.123', '1714190196', '1714190196', '/product_info.php?info=p248_Memory-Of-Spain.html&XTCsid=c7f035e02971a7df32ae13cabef322ff')

[XT SQL Error]