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', '7d9a4668a2b5871cde4d0116b0cc747b', '216.73.216.251', '1752522090', '1752522090', '/product_info.php/info/p3104_Argentinien-Reliefkarte.html')

[XT SQL Error]