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', 'g0qe33t4u6cr00280r2q0qt4p5', '54.152.43.79', '1711713463', '1711713463', '/login.php?XTCsid=g0qe33t4u6cr00280r2q0qt4p5')

[XT SQL Error]