From 2f5a3b0994385c9fd7eb1bf52e3d109bf2661d07 Mon Sep 17 00:00:00 2001
From: Julio <gugli100@gmail.com>
Date: Tue, 28 Nov 2017 14:33:52 +0100
Subject: [PATCH] Fix PHP warnings

---
 main/lp/learnpath.class.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/main/lp/learnpath.class.php b/main/lp/learnpath.class.php
index c58008f7d5..5a85bcdc2f 100755
--- a/main/lp/learnpath.class.php
+++ b/main/lp/learnpath.class.php
@@ -3179,7 +3179,9 @@ class learnpath
                 }
                 $listParent[] =  $subtree;
             }
-            if (!in_array($subtree['type'], $dirTypes) && $subtree['parent'] == null ) {
+            if (!in_array($subtree['type'], $dirTypes) &&
+                ((isset($subtree['parent']) && $subtree['parent'] == null) || !isset($subtree['parent']))
+            ) {
                 $classStatus = [
                     'not attempted' => 'scorm_not_attempted',
                     'incomplete' => 'scorm_not_attempted',