@@ -, +, @@ SQL::Abstract::puke (for us, it's article) but doesn't have 0 or 9 (host item entry) --- C4/Items.pm | 5 +++++ 1 file changed, 5 insertions(+) --- a/C4/Items.pm +++ a/C4/Items.pm @@ -1341,7 +1341,12 @@ sub get_hostitemnumbers_of { foreach my $hostfield ( $marcrecord->field($tag) ) { my $hostbiblionumber = $hostfield->subfield($biblio_s); + next unless $hostbiblionumber; # have tag, don't have $biblio_s subfield my $linkeditemnumber = $hostfield->subfield($item_s); + if ( ! $linkeditemnumber ) { + warn "ERROR biblionumber $biblionumber has 773^0, but doesn't have 9"; + next; + } my $is_from_biblio = Koha::Items->search({ itemnumber => $linkeditemnumber, biblionumber => $hostbiblionumber }); push @returnhostitemnumbers, $linkeditemnumber if $is_from_biblio; --