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', 'c7e2a6420f1f3a891919bd5e53517490', '3.12.155.148', '1715136792', '1715136792', '/shop_content.php?coID=1&XTCsid=f14882bc03b87e844afdf80aaa54462a')

[XT SQL Error]