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', 'd82ba8e0643dd70d6f14888d9748eaee', '18.225.35.81', '1714601403', '1714601403', '/product_info.php?language=de&info=p248_Memory-Of-Spain.html&XTCsid=2c82651c29181c0e0b67329d45f74355')

[XT SQL Error]