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', '49308595b1a468989fb1f1189f348e77', '13.58.112.1', '1713933377', '1713933377', '/product_info.php?info=p323_.html')

[XT SQL Error]