- contractname => $contract->{'contractname'},
- ordernumber => $order->{'ordernumber'},
- entrydate => $order->{'entrydate'},
- isbn => $order->{'isbn'},
- author => $biblio->author,
- title => $biblio->title,
- publicationyear => $biblioitem->publicationyear,
- publishercode => $biblioitem->publishercode,
- collectiontitle => $biblioitem->collectiontitle,
- notes => $order->{'order_vendornote'},
- quantity => $order->{'quantity'},
- rrp => $order->{'rrp'},
+ contractname => $contract->{'contractname'},
+ ordernumber => $order->{'ordernumber'},
+ entrydate => $order->{'entrydate'},
+ isbn => $order->{'isbn'},
+ author => $biblio ? $biblio->author : q{},
+ title => $biblio ? $biblio->title : q{},
+ publicationyear => $biblioitem ? $biblioitem->publicationyear : q{},
+ publishercode => $biblioitem ? $biblioitem->publishercode : q{},
+ collectiontitle => $biblioitem ? $biblioitem->collectiontitle : q{},
+ notes => $order->{'order_vendornote'},
+ quantity => $order->{'quantity'},
+ rrp => $order->{'rrp'},