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', '94l400klo38jpf80qsuqh3f001', '44.215.110.142', '1711673969', '1711673969', '/login.php?XTCsid=94l400klo38jpf80qsuqh3f001')

[XT SQL Error]