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', '4e772630d02a5b8703a4b7d6bc62e153', '54.224.90.25', '1711657731', '1711657731', '/product_info.php?info=p326_Boehmisch-mit-Herz.html&XTCsid=5e10770c3e5d1353aa8ec3f7bd33fee6')

[XT SQL Error]