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', 'e26fa72ad06221fd7740403f7641db4e', '18.116.8.110', '1713485859', '1713485859', '/redirect.php?action=product&id=247&XTCsid=244b07160d2ebeb432977424993b1b59')

[XT SQL Error]