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', 'bca4275b3ce7516e6d162bbca2210377', '18.216.233.58', '1713582650', '1713582650', '/product_info.php?info=p41_Schoener-Abend--Polka-.html&XTCsid=c00a13a977272d3659dd7fe5a5f758e9')

[XT SQL Error]