[Koha] error on insertion of new marc records

[shiv_gmail]

Koha error
The following fatal error has occurred:
found MARCXML element datafield, but the<record>  wrapper is missing at
/usr/local/share/perl/5.10.1/MARC/File/XML.pm line 452
Apache    Server version: Apache/2.2.14 (Ubuntu) Server built: Nov 18 2010
21:17:19
Koha    3.00.02.012
Koha DB    3.0002012
MySQL    mysql Ver 14.14 Distrib 5.1.41, for debian-linux-gnu (i486) using
readline 6.1
OS    Linux aravind 2.6.32-32-generic #62-Ubuntu SMP Wed Apr 20 21:54:21 UTC
2011 i686
Perl    5.010001


this is the error iam getting when iam trying to add a new record.

I have no idea, iam new to koha. can somebody help

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