1366 - Incorrect integer value: '' for column `wvf_soft_`.`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', 'uu869uv23i4jes798ma55cfl14', '3.89.204.127', '1638198186', '1638198186', '/')

[XT SQL Error]