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', 'aailvusobo4acurm4jtpg5lss5', '18.206.83.160', '1711690177', '1711690177', '/login.php?XTCsid=aailvusobo4acurm4jtpg5lss5')

[XT SQL Error]