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', 'e04sungmed5e0snsba2tdumr05', '18.116.23.249', '1741753979', '1741753979', '/index.php')

[XT SQL Error]