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', '7c79f04c24e196c4a7828efdf726ca28', '3.145.163.58', '1713508662', '1713508662', '/product_info.php/info/p2658_Marokko-Reliefkarte.html')

[XT SQL Error]