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', '7df9d08df84b357dbfabc30042001d2a', '3.142.197.212', '1713859919', '1713859919', '/shop_content.php?coID=1&XTCsid=fbf10991e93a5b1cee6d3cdc21485899')

[XT SQL Error]