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', 'a41169e2de50fd448d8fc35810f4795d', '18.191.9.9', '1732142841', '1732142841', '/')

[XT SQL Error]