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', 'cqmkrvv80vbb20j5o2t9m43t33', '18.223.172.252', '1713510243', '1713510243', '/login.php?XTCsid=cqmkrvv80vbb20j5o2t9m43t33')

[XT SQL Error]