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', 'v9p9fjgt498fqldlpou8r5pkl6', '54.224.124.217', '1711649947', '1711649947', '/login.php?XTCsid=v9p9fjgt498fqldlpou8r5pkl6')

[XT SQL Error]