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', '5kpamp02ev95mtnl1v0m3pqak6', '216.73.216.130', '1761299648', '1761299648', '/shop_content.php?coID=2')

[XT SQL Error]