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', '3u4eqb1r3bi4vdphep94m3rhs6', '52.14.253.170', '1713530012', '1713530012', '/login.php?XTCsid=3u4eqb1r3bi4vdphep94m3rhs6')

[XT SQL Error]