1366 - Incorrect integer value: '' for column `pella-ware`.`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', '8rpolt15da0ljmol8ia2vrq4u7', '3.237.65.102', '1711645782', '1711645782', '/login.php?XTCsid=8rpolt15da0ljmol8ia2vrq4u7')

[XT SQL Error]