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', '0a4ee94a786a7049bb711e847b4c3743', '3.143.0.157', '1713549722', '1713549722', '/product_info.php/info/p3412_Island-Reliefkarte.html')

[XT SQL Error]