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', 'movl70jran9eo54hfkoiami6k3', '3.15.5.183', '1713590604', '1713590604', '/login.php?XTCsid=movl70jran9eo54hfkoiami6k3')

[XT SQL Error]