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', 'd7069a3041a7a7dccab5329a9eefe25f', '3.135.202.224', '1714181347', '1714181347', '/product_info.php?language=de&info=p248_Memory-Of-Spain.html&XTCsid=c7f035e02971a7df32ae13cabef322ff')

[XT SQL Error]