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', '697bf3f6c2f59e1eef126cf1bb3b8b8b', '3.15.229.226', '1713612388', '1713612388', '/product_info.php/language/en/refID/2/info/p439_Reliefkarten-Konfigurator.html')

[XT SQL Error]