1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'da4baf79dccf5f9e0b4fbfb7149fefcb', '13.59.236.219', '1713544533', '1713544533', '/products_new.php?XTCsid=0b5950426fd4d33665c5302b513a92c8')

[XT SQL Error]