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', '095c3sh4o30pr3c12fk7240jj5', '35.175.180.255', '1711695662', '1711695662', '/login.php?XTCsid=095c3sh4o30pr3c12fk7240jj5')

[XT SQL Error]