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', 'rjnkesgik45g237j5p72asmmq7', '18.191.223.123', '1714102491', '1714102491', '/product_info.php/info/p12_.html')

[XT SQL Error]