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', '5f7efb6b9a1ba38f19ee3e08556be8d4', '3.145.11.38', '1729589979', '1729589979', '/index.php?refID=1')

[XT SQL Error]