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', '105c89c368f815a97e42188a237d01c3', '3.141.41.187', '1713992373', '1713992373', '/redirect.php?action=product&id=247&XTCsid=8c4102f41ddb20799250c1276e1c9d62')

[XT SQL Error]