1366 - Incorrect integer value: '' for column `shop_db3`.`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', '8f4a9865aae2a697040e8a09893eb239', '3.138.134.107', '1713975681', '1713975681', '/products_new.php?XTCsid=41f283276f02c57a558016baf9b157ec')

[XT SQL Error]