From 914d1c97f6cfd0179c5af57a604d2ff99ed32fd1 Mon Sep 17 00:00:00 2001
From: Nick Clemens <nick@bywatersolutions.com>
Date: Fri, 30 Jul 2021 19:20:29 +0000
Subject: [PATCH] Bug 28533: Fix other ocurrence

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
---
 C4/Items.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/C4/Items.pm b/C4/Items.pm
index 14774e48e1..11c6c1d5c4 100644
--- a/C4/Items.pm
+++ b/C4/Items.pm
@@ -1689,6 +1689,7 @@ sub PrepareItemrecordDisplay {
                         my $CNtag      = substr( $itemcn_pref, 0, 3 );
                         next unless my $field = $itemrecord->field($CNtag);
                         my $CNsubfields = substr( $itemcn_pref, 3 );
+                        $CNsubfields = undef if $CNsubfields eq '';
                         $defaultvalue = $field->as_string( $CNsubfields, ' ');
                         last if $defaultvalue;
                     }
-- 
2.39.2