1366 - Incorrect integer value: '' for column `hbl_shop`.`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', '0qrgjpfk8367v0i8a1g102hgi0', '18.191.91.228', '1746765629', '1746765629', '/index.php?cat=c62_Futterdaempfer-elektrisch.html')

[XT SQL Error]