1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', '31b9eefdbe1d6a1a3fa2a9562f4f0248', '216.73.216.155', '1751312871', '1751312871', '/')

[XT SQL Error]