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', '4j88jeds7a1btougbg376ecia7', '3.138.141.202', '1713592862', '1713592862', '/login.php?XTCsid=4j88jeds7a1btougbg376ecia7')

[XT SQL Error]