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', 'bdbd8e0721072446095f78e15b3902d9', '3.138.110.119', '1714123891', '1714123891', '/index.php/language/en/cat/c30_Countries.html/page/4')

[XT SQL Error]