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', 'ac4bac89b4955479ad1ba66c9cb19c5f', '3.144.230.82', '1714157302', '1714157302', '/product_info.php/info/p2666_Cameroon-Relief-Map.html')

[XT SQL Error]