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', '4994dcsjgh78srvucudglvl0g4', '3.131.110.169', '1713484783', '1713484783', '/product_info.php/info/p77_.html')

[XT SQL Error]