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', 'q6m9fqbhvievgvug1fqjahjb42', '18.216.233.58', '1713611400', '1713611400', '/login.php?XTCsid=q6m9fqbhvievgvug1fqjahjb42')

[XT SQL Error]