[Koha] Indexing problems

[Steve Kiarie]

Greetings
After running the below rebuild command i get the following report i do get an error during exporting of the records and reindexing

There are some records that are not being searchable.

Output from command KOHA_CONF=/opt/koha/apptwo/etc/koha-conf.xml 
PERL5LIB=/opt/koha/srctwo 
/opt/koha/srctwo/misc/migration_tools/rebuild_zebra.pl -b -r  -v  ..
Zebra configuration information
================================
Zebra biblio directory      = /opt/koha/apptwo/var/lib/zebradb/biblios
Zebra authorities directory = /opt/koha/apptwo/var/lib/zebradb/authorities
Koha directory              = /opt/koha/srctwo
BIBLIONUMBER in :     999$c
BIBLIOITEMNUMBER in : 999$d
================================
skipping authorities
====================
exporting biblio
====================At record 405501 i get the error below 
404801....................................................................................................
404901....................................................................................................
405001....................................................................................................
405101....................................................................................................
405201....................................................................................................
405301....................................................................................................
405401....................................................................................................
.
.
405501..................................Error exporting record 423743 (biblio) XML at /opt/koha/srctwo/misc/migration_tools/rebuild_zebra.pl line 371.
...................................................................
.
.
443301....................................................................................................
443401....................................................................................................
443501....................................................................................................
443601....................................................................................................
443701....................................................................................................
443801....................................................................................................
443901....................................................................................................
444001....................................................................................................
444101....................................................................................................
444201....................................................................................................
444301..........................................
Records exported: 444342
====================
REINDEXING zebra
====================
Records exported: 444342
====================
REINDEXING zebra
====================
04:43:47-19/09 zebraidx(2975) [warn] MARC: Bad offsets in data. Skipping rest
04:43:47-19/09 zebraidx(2975) [warn] Record didn't contain match fields in (bib1,Local-number)
====================
CLEANING
====================