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', 'd74bf0dec2c4b13c869d3ae795d27ea8', '3.12.41.106', '1714059011', '1714059011', '/advanced_search.php?XTCsid=3a57a77cceb215ec6cb91829f992c301')

[XT SQL Error]