$record->append_fields(MARC::Field->new(999, '', '', z => '_'));
ModBiblio( $record, $biblionumber );
my $from_dt = dt_from_string(
- Koha::Biblio::Metadatas->find({ biblionumber => $biblionumber, format => 'marcxml', marcflavour => 'MARC21' })->timestamp
+ Koha::Biblio::Metadatas->find({ biblionumber => $biblionumber, format => 'marcxml', schema => 'MARC21' })->timestamp
);
my $from = $from_dt->ymd . 'T' . $from_dt->hms . 'Z';
$oaidc[0]->{header}->{datestamp} = $from;