[Koha] Z39.50

Hi, I am using Koha 2.2.7 version on XP. But I have failed to get Z39.50 benefits. Whenever I searched book through the protocol, I receive 500 Internal Server Error. Khaled MIST Dhaka Mohammed Abu Khaled Chowdhury Librarian Research and Development Wing Military Institute of Science and Technology (MIST) Mirpur Cantonment, Mirpur, Dhaka-1216 Phone: 88-02-8012511-20, Ext 517 Fax: 88-02-9011311 E-mail: makc75@yahoo.com and khaled@mist.edu.bd --------------------------------- Looking for last minute shopping deals? Find them fast with Yahoo! Search.