my $bibitemnum;
# remove ISBN -
- my ( $isbnfield, $isbnsubfield ) = GetMarcFromKohaField( 'biblioitems.isbn', '' );
+ my ( $isbnfield, $isbnsubfield ) = GetMarcFromKohaField( 'biblioitems.isbn' );
if ( $marcrecord->field($isbnfield) ) {
foreach my $field ( $marcrecord->field($isbnfield) ) {
foreach my $subfield ( $field->subfield($isbnsubfield) ) {