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', '2a1acb2c15bbb9a2f1f3d7deda348166', '18.118.200.136', '1714182412', '1714182412', '/index.php/language/en/cat/c30_Countries.html/page/1')

[XT SQL Error]