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', '8louvsqgkuvo8ggvn3t8s1c201', '3.145.42.94', '1713503650', '1713503650', '/login.php?XTCsid=8louvsqgkuvo8ggvn3t8s1c201')

[XT SQL Error]