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', 'qise94krtm6kocbv30vg9vavv0', '3.135.213.214', '1713884656', '1713884656', '/login.php?XTCsid=qise94krtm6kocbv30vg9vavv0')

[XT SQL Error]