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', '684ee3a03d81461e9d68d34a5ba92f4d', '54.82.20.97', '1711700660', '1711700660', '/shop_content.php?coID=2&XTCsid=34eb3af5dd83507b4e3d18340087e638')

[XT SQL Error]