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', 'mfm3ei68s0a1acplnh4cdrced4', '3.146.37.35', '1713556692', '1713556692', '/login.php?XTCsid=mfm3ei68s0a1acplnh4cdrced4')

[XT SQL Error]