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', '3iedeb68nckojaosiktdoa3bo4', '54.224.90.25', '1711642388', '1711642388', '/login.php?XTCsid=3iedeb68nckojaosiktdoa3bo4')

[XT SQL Error]