1366 - Incorrect integer value: '' for column `pella-ware`.`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', 'ro3i5hnsgoups8go46bcncn0d1', '3.14.141.228', '1713476459', '1713476459', '/login.php?XTCsid=ro3i5hnsgoups8go46bcncn0d1')

[XT SQL Error]