From 7d75ec3e2602dcadbb238dfb7cbec76020ebafef Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Date: Thu, 23 May 2024 09:50:59 +0200
Subject: [PATCH] Bug 36939: Remove a warning from Serials.t

t/db_dependent/Serials.t .. 2/57 Use of uninitialized value in numeric gt (>) at /kohadevbox/koha/C4/Serials.pm line 2029.

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
---
 C4/Serials.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/C4/Serials.pm b/C4/Serials.pm
index c3d33cadf5..79a3a70dbd 100644
--- a/C4/Serials.pm
+++ b/C4/Serials.pm
@@ -2026,8 +2026,8 @@ sub addroutingmember {
     my $sth = $dbh->prepare( "SELECT max(ranking) rank FROM subscriptionroutinglist WHERE subscriptionid = ?" );
     $sth->execute($subscriptionid);
     while ( my $line = $sth->fetchrow_hashref ) {
-        if ( $line->{'rank'} > 0 ) {
-            $rank = $line->{'rank'} + 1;
+        if ( defined $line->{rank} && $line->{rank} > 0 ) {
+            $rank = $line->{rank} + 1;
         } else {
             $rank = 1;
         }
-- 
2.39.5