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', 'bitolkd7l6fsumgs3fhv4mlbv2', '18.216.114.23', '1713270383', '1713270383', '/product_info.php/info/p248_Kerze-Windmuehle-Champagne-Braun.html')

[XT SQL Error]