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', '316ceda06a881d5987d5b74fa1433e8a', '50.17.92.200', '1711623930', '1711623930', '/product_info.php?language=en&info=p248_Memory-Of-Spain.html&XTCsid=fbf10991e93a5b1cee6d3cdc21485899')

[XT SQL Error]