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', '6vm7u3e23nf3p9m66vcue5f8n2', '3.134.104.173', '1713546182', '1713546182', '/index.php/cat/c12_.html')

[XT SQL Error]