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', 'q4rn3cdavbgvpe8pn770dpt072', '18.226.52.105', '1746778922', '1746778922', '/product_info.php?products_id=52')

[XT SQL Error]