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', '1da8ffdea813895cfb9778c43e7cb775', '3.15.46.13', '1714054764', '1714054764', '/products_new.php?XTCsid=7541ba64dfef2679c790315e735061c1')

[XT SQL Error]