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', '902bedd0bd7bbf82e378a9dcf21748b0', '18.191.21.86', '1714082549', '1714082549', '/product_info.php?info=p302_Frecher-Lauser.html&XTCsid=7541ba64dfef2679c790315e735061c1')

[XT SQL Error]