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', 'g9c0fa4pqga4qhak77bad05hq5', '44.206.227.65', '1711651084', '1711651084', '/login.php?XTCsid=g9c0fa4pqga4qhak77bad05hq5')

[XT SQL Error]