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', 'lv61n5ed7oga973flphjc0duv7', '18.189.2.122', '1713301684', '1713301684', '/login.php?XTCsid=lv61n5ed7oga973flphjc0duv7')

[XT SQL Error]