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', 'qgrhcj1e2itl9qs5fm73825ms6', '3.145.94.130', '1713414056', '1713414056', '/login.php?XTCsid=qgrhcj1e2itl9qs5fm73825ms6')

[XT SQL Error]