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', '0qd1tvfr095itvhve06cttj7a5', '44.205.5.65', '1711637522', '1711637522', '/login.php?XTCsid=0qd1tvfr095itvhve06cttj7a5')

[XT SQL Error]