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', '4ed7d590f3d5ab34c1d94d51bc445a4b', '3.142.200.226', '1713431969', '1713431969', '/product_info.php?language=en&info=p246_Dream-Melody.html&XTCsid=816effff2570c607585d0dd8551d2406')

[XT SQL Error]