[Koha-devel] marc_word rebuild error message

sorry I forgot to include the error message: Use of uninitialized value in substitution (s///) at /usr/local/koha/intranet/modules//C4/Biblio.pm line 947. Use of uninitialized value in split at /usr/local/koha/intranet/modules//C4/Biblio.pm line 948. Joshua