1366 - Incorrect integer value: '' for column `creatihu_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', '411ca65337be2a068017f26ae0140142', '13.59.82.167', '1713974000', '1713974000', '/product_info.php?info=p310_.html')

[XT SQL Error]