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', '90b6e830a971ffe32a15f8e483e6b6da', '3.22.70.9', '1714039398', '1714039398', '/product_info.php?info=p41_Schoener-Abend--Polka-.html&XTCsid=34eb3af5dd83507b4e3d18340087e638')

[XT SQL Error]