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', '02c30f298a4ee42eb6c24f76662f4635', '18.191.223.123', '1714042261', '1714042261', '/shop_content.php?coID=7&XTCsid=fbf10991e93a5b1cee6d3cdc21485899')

[XT SQL Error]