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', '7a2fgsv5bvn4efu6mhsb0dofp7', '3.138.174.174', '1714049086', '1714049086', '/product_info.php/info/p295_Glasteller-Apollo-250.html')

[XT SQL Error]