From e72361c2cba622da5f441a04b20528dbbe6c52ca Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@netways.de>
Date: Tue, 30 Dec 2014 09:47:19 +0100
Subject: [PATCH] monitoring: Fix missing return argument in the backend
 configuration form

---
 .../monitoring/application/forms/Config/BackendConfigForm.php   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/monitoring/application/forms/Config/BackendConfigForm.php b/modules/monitoring/application/forms/Config/BackendConfigForm.php
index 67672dd20..51d5b5542 100644
--- a/modules/monitoring/application/forms/Config/BackendConfigForm.php
+++ b/modules/monitoring/application/forms/Config/BackendConfigForm.php
@@ -147,7 +147,7 @@ class BackendConfigForm extends ConfigForm
             }
         } catch (InvalidArgumentException $e) {
             Notification::error($e->getMessage());
-            return;
+            return null;
         }
 
         if ($this->save()) {