my ( $biblio_tag, $biblio_subfield ) = GetMarcFromKohaField( "biblio.biblionumber", $frameworkcode );
die qq{No biblionumber tag for framework "$frameworkcode"} unless $biblio_tag;
my ( $biblioitem_tag, $biblioitem_subfield ) = GetMarcFromKohaField( "biblioitems.biblioitemnumber", $frameworkcode );
- die qq{No biblioitemnumber tag for framework "$frameworkcode"} unless $biblio_tag;
+ die qq{No biblioitemnumber tag for framework "$frameworkcode"} unless $biblioitem_tag;
if ( $biblio_tag == $biblioitem_tag ) {