[Koha] Please help: MARC error..cannot view in catalog

Dear all, I have problem with koha installed in my XP server. I am trying to add the biblio, and it work.. Save in and add item work also but when I want to view in catalog, MARC will not show up and the data will not save in catalog. Thanks. Regard. Wahyu Mencari semua teman di Yahoo! Messenger? Undang teman dari Hotmail, Gmail ke Yahoo! Messenger dengan mudah sekarang! http://id.messenger.yahoo.com/invite/