[Koha] Koha Problem

[badri jimale]

Hi
I am getting the following error. Please help
Koha error

The following fatal error has occurred:

Can't call method "append_fields" on an undefined value at
/usr/share/koha/lib/C4/Items.pm line 1989.

Apache Server version: Apache/2.2.9 (Debian) Server built: Apr 19 2010
19:57:58 Koha 3.00.00.107 Koha DB 3.0000107 MySQL mysql Ver 14.12 Distrib
5.0.51a, for debian-linux-gnu (i486) using readline 5.2 OS Linux Koha
2.6.26-2-686 #1 SMP Thu Sep 16 19:35:51 UTC 2010 i686 GNU/Linux Perl5.010000
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