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', 'bvgomgdq31b4o1ssau4oj48ac4', '3.12.41.106', '1713413830', '1713413830', '/login.php?XTCsid=bvgomgdq31b4o1ssau4oj48ac4')

[XT SQL Error]