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', '0e10896c33f6df69747c14a7900a0761', '3.15.221.67', '1713923946', '1713923946', '/popup_content.php?coID=1&XTCsid=7593f4da55114442760e17ad10225a85')

[XT SQL Error]