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', '94b5152f0c6d523438af4baebe92eebb', '3.145.60.166', '1714045676', '1714045676', '/index.php/language/en/cat/c29_Continents.html')

[XT SQL Error]