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', 'frahstgtbf4fk3fd9pucjibmp4', '34.231.243.21', '1634342273', '1634342273', '/')

[XT SQL Error]