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', '122451e5acaffb4e2debba5dca089902', '18.221.174.248', '1713514311', '1713514311', '/product_info.php/info/p2942_Burkina-Faso-Reliefkarte.html')

[XT SQL Error]