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', '472151f305e37a8eeaeeb616e83919ed', '3.131.13.194', '1713544685', '1713544685', '/shop_content.php?coID=9&XTCsid=8c4102f41ddb20799250c1276e1c9d62')

[XT SQL Error]