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', 'b0k7ni7nlt4p4j32tm5gn9e3n5', '3.129.69.151', '1714076135', '1714076135', '/index.php/cat/c24_.html')

[XT SQL Error]