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', 'jlfdou4okqdl4v59250qfs4ur6', '54.152.77.92', '1711644381', '1711644381', '/login.php?XTCsid=jlfdou4okqdl4v59250qfs4ur6')

[XT SQL Error]