1366 - Incorrect integer value: '' for column `shop_db3`.`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', '717c03537e94a1b05370d2df6e5bb302', '18.188.241.82', '1713531844', '1713531844', '/account.php?XTCsid=842cd293d4e43dd66c33a18be5c47b55')

[XT SQL Error]