[Koha] koha

hii friends I have install koha-3 in centos-5.2 with zebra screch after instalation i Have Add marc record Serching z3950serch is not working. i see the error in z3950 Modification of non-creatable array value attempted, subscript -4 at /usr/share/koha/intranet/cgi-bin/cataloguing/z3950_search.pl line 189. plese help me