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', 'fd3cf653c7ea29101a102bcc376c4d27', '18.218.184.214', '1713251383', '1713251383', '/shopping_cart.php?XTCsid=9ed062a1d997e94e67f071e9bc3ac71b')

[XT SQL Error]