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', 'ffd5d47add9ec8e7ff2211cf238f98a7', '3.15.190.144', '1715173704', '1715173704', '/products_new.php?XTCsid=937b7cb67e424972a37875d7d9fe8a0c')

[XT SQL Error]