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', '7f11609a28df5ffb06ac53fc19596650', '3.135.190.232', '1713420914', '1713420914', '/product_info.php/info/p3454_Ghana-Reliefkarte.html')

[XT SQL Error]