From 8d0e08fdf58b029b619d18a9600b8d6f1410a644 Mon Sep 17 00:00:00 2001
From: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Date: Mon, 15 Oct 2018 14:01:14 +0200
Subject: [PATCH] Bug 21475: Fix crash on missing default itemtype

Test plan:
Enable ArticleRequests.
Find book without itemtype (942c). Maybe you need this:
  update biblioitems set itemtype=NULL where biblionumber=[...]
Goto opac detail for that book. No crash anymore?

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
---
 opac/opac-detail.pl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/opac/opac-detail.pl b/opac/opac-detail.pl
index 6f10c6bde3..cc735ee152 100755
--- a/opac/opac-detail.pl
+++ b/opac/opac-detail.pl
@@ -758,9 +758,12 @@ my $subtitle         = GetRecordValue('subtitle', $record, GetFrameworkCode($bib
 
 if( C4::Context->preference('ArticleRequests') ) {
     my $patron = $borrowernumber ? Koha::Patrons->find($borrowernumber) : undef;
+    my $itemtype = Koha::ItemTypes->find($biblio->itemtype);
     my $artreqpossible = $patron
         ? $biblio->can_article_request( $patron )
-        : Koha::ItemTypes->find($biblio->itemtype)->may_article_request;
+        : $itemtype
+        ? $itemtype->may_article_request
+        : q{};
     $template->param( artreqpossible => $artreqpossible );
 }
 
-- 
2.39.5