1366 - Incorrect integer value: '' for column `hoc_db9`.`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', 'c6f9f9c829bf36c24c9fad1e84b36540', '34.229.119.176', '1669939570', '1669939570', '/')

[XT SQL Error]