From 78318312ac1fc7d4c2ace7df77ab4f46213ee67d Mon Sep 17 00:00:00 2001
From: jmontoyaa <gugli100@gmail.com>
Date: Thu, 24 Nov 2016 11:25:54 +0100
Subject: [PATCH] Fix PHP warning

---
 main/admin/course_edit.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main/admin/course_edit.php b/main/admin/course_edit.php
index c09e565d0c..a1d611f451 100755
--- a/main/admin/course_edit.php
+++ b/main/admin/course_edit.php
@@ -350,7 +350,7 @@ if ($form->validate()) {
         CourseManager::updateTeachers($courseInfo, $teachers, true, false);
 
         // Updating session coaches
-        $sessionCoaches = $course['session_coaches'];
+        $sessionCoaches = isset($course['session_coaches']) ? $course['session_coaches'] : [];
         if (!empty($sessionCoaches)) {
             foreach ($sessionCoaches as $sessionId => $coachesToSubscribe) {
                 if (!empty($coachesToSubscribe)) {