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', 'a493b3d01d2f20dfd8488358223314f5', '3.143.168.172', '1713947428', '1713947428', '/product_info.php/info/p3183_Elfenbeinkueste-Reliefkarte.html')

[XT SQL Error]