1366 - Incorrect integer value: '' for column `hbl_shop`.`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', 'jpq352e0d88kb5v7e086a12hl1', '18.219.194.82', '1746944429', '1746944429', '/product_info.php?products_id=40')

[XT SQL Error]