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', '92cb9820899d9fa11b8bf3ea5f1f1688', '3.129.39.55', '1714130608', '1714130608', '/product_info.php?language=en&info=p246_Dream-Melody.html&XTCsid=30c973abda9994cdcaa402f38a62d49a')

[XT SQL Error]