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', '7d93ea1a994fa99a65ff0c4783624c6f', '44.203.235.24', '1711672754', '1711672754', '/product_info.php?info=p326_Boehmisch-mit-Herz.html&XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]