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', 'fo1k9ggrfatakhpg5b37qpmos6', '44.192.107.255', '1711645018', '1711645018', '/login.php?XTCsid=fo1k9ggrfatakhpg5b37qpmos6')

[XT SQL Error]