next if any { /^$tag$subtag$/ } @fields;
my @values = (undef);
- @values = $itemrecord->field($tag)->subfield($subtag) if ($itemrecord && defined($itemrecord->field($tag)->subfield($subtag)));
+ @values = $itemrecord->field($tag)->subfield($subtag) if ($itemrecord && defined($itemrecord->field($tag)) && defined($itemrecord->field($tag)->subfield($subtag)));
for my $value (@values){
my $subfield_data = generate_subfield_form($tag, $subtag, $value, $tagslib, $tagslib->{$tag}->{$subtag}, $branches, $today_iso, $biblionumber, $temp, \@loop_data, $i);
push (@loop_data, $subfield_data);