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', 'nodp7g8prvocn4hvtqp780e934', '54.160.133.33', '1711615273', '1711615273', '/login.php?XTCsid=nodp7g8prvocn4hvtqp780e934')

[XT SQL Error]