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', 'pn5uln15lvd7icpkgnqj3j7hr1', '18.223.196.211', '1713614316', '1713614316', '/popup_content.php/coID/1')

[XT SQL Error]