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', '84d5d8a6cc8ae44536ad5570f4c2a09e', '3.141.31.240', '1713602519', '1713602519', '/product_info.php/info/p2604_Brasilien-Reliefkarte.html')

[XT SQL Error]