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', '444fc370a475024127f4815103596036', '3.133.109.30', '1713584623', '1713584623', '/shop_content.php?coID=4&XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]