1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', '3221cf0f5a3d0f1832f30265c10ad9fd', '3.133.121.160', '1713503442', '1713503442', '/product_info.php/language/de/info/p2896_Aegypten-Reliefkarte.html')

[XT SQL Error]