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', 'g68d5vis3nil2jueg23l2orso1', '54.160.243.44', '1711672484', '1711672484', '/login.php?XTCsid=g68d5vis3nil2jueg23l2orso1')

[XT SQL Error]