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', '7717aa244b189e5ad932f3f674fec376', '3.142.135.86', '1713500719', '1713500719', '/product_info.php/info/p2988_Armenien-Reliefkarte.html')

[XT SQL Error]