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', 'jn17naelrvqefudsj2l3i5b4m6', '3.144.97.189', '1713595097', '1713595097', '/index.php/cat/c9_.html/page/2')

[XT SQL Error]