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', '7aad2591a3e1ded5662a0c2aa18a0f95', '18.118.12.222', '1713868256', '1713868256', '/product_info.php/info/p2711_Irland-Reliefkarte.html')

[XT SQL Error]