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', '39cb9d66374bcc3c1f4b0bdff04bc2b4', '13.59.36.203', '1713253078', '1713253078', '/product_info.php?language=en&info=p246_Dream-Melody.html&XTCsid=ed890d870a93292a1cc254113c4cf12e')

[XT SQL Error]