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', '6d9e28484f9c2310d6768dd3023e29b8', '3.19.31.73', '1714062475', '1714062475', '/product_info.php/info/p3392_Spain-Relief-Map.html')

[XT SQL Error]