From f36d56a97a8ea74330f10970f1856ccf6186bfcb Mon Sep 17 00:00:00 2001
From: Honza Hejzl <honza.hejzl@gmail.com>
Date: Wed, 24 Jun 2020 17:11:24 +0200
Subject: [PATCH] Fix for tab15 missing index (#1649)

---
 module/VuFind/src/VuFind/ILS/Driver/Aleph.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
index a61209625d3..0d9fa8f4131 100644
--- a/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
+++ b/module/VuFind/src/VuFind/ILS/Driver/Aleph.php
@@ -155,7 +155,7 @@ class AlephTranslator
             echo "tab15 is null!<br>";
         }
         $findme = $tab15["tab15"] . "|" . $isc . "|" . $ipsc;
-        $result = $this->table15[$findme];
+        $result = $this->table15[$findme] ?? null;
         if ($result == null) {
             $findme = $tab15["tab15"] . "||" . $ipsc;
             $result = $this->table15[$findme];
-- 
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