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', '51e4d27cc0afb0fcbeb0d7b91599ebbc', '18.119.126.80', '1714157463', '1714157463', '/index.php/cat/c30_Countries.html/page/5')

[XT SQL Error]