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', 'a19a3c55ad761c1ee2d6398ec1ea06ec', '18.117.81.240', '1713480220', '1713480220', '/redirect.php?action=product&id=247&XTCsid=12ab6c593489deceb1c19806497af77d')

[XT SQL Error]