From 9457c0a78fbcad0d9d950fe6270836bc9807060b Mon Sep 17 00:00:00 2001
From: David Siegfried <ds.siegfried@gmail.com>
Date: Mon, 9 Aug 2021 15:23:16 +0200
Subject: [PATCH] prevent errors

---
 app/controllers/admin/courseplanning.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/admin/courseplanning.php b/app/controllers/admin/courseplanning.php
index 3c399f2c8f4..4b6597537e5 100644
--- a/app/controllers/admin/courseplanning.php
+++ b/app/controllers/admin/courseplanning.php
@@ -851,7 +851,7 @@ class Admin_CourseplanningController extends AuthenticatedController
         }
 
         $seminars   = array_map('reset', $courses);
-        $visit_data = get_objects_visits(array_keys($seminars), 'sem', null, null, MyRealmModel::getDefaultModules());
+        $visit_data = get_objects_visits(array_keys($seminars), 'sem', null, null, array_keys(MyRealmModel::getDefaultModules()));
 
         if (!empty($seminars)) {
             foreach ($seminars as $seminar_id => $seminar) {
-- 
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