1366 - Incorrect integer value: '' for column `db162720`.`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', 'm6bsl4eoenp5ki06l1cd4sta12', '3.142.144.40', '1713558957', '1713558957', '/product_info.php/info/p169_Kerze-Windmuehle-Champagne-Orange.html')

[XT SQL Error]