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', '342e1c668uo13a2k51tdsa3g05', '44.212.39.149', '1711630390', '1711630390', '/login.php?XTCsid=342e1c668uo13a2k51tdsa3g05')

[XT SQL Error]