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', 'artfc1nhgt0on1saojgp9s6e00', '18.117.153.38', '1713567765', '1713567765', '/login.php?XTCsid=artfc1nhgt0on1saojgp9s6e00')

[XT SQL Error]