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', 'jb47qr71n14qinehk8qnfe0nj6', '18.119.120.229', '1746773013', '1746773013', '/product_info.php?info=p42_802189-Nachruestsatz-Wendautomatik.html')

[XT SQL Error]