From 80fefe27dc4a4828d376ca968e586aad34368de4 Mon Sep 17 00:00:00 2001
From: Marius Hein <marius.hein@netways.de>
Date: Tue, 22 Oct 2013 12:31:28 +0200
Subject: [PATCH] Fixes create backend php strict notice

fixes #4940
---
 modules/monitoring/library/Monitoring/Backend.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/monitoring/library/Monitoring/Backend.php b/modules/monitoring/library/Monitoring/Backend.php
index a9d1f41a9..500666f54 100644
--- a/modules/monitoring/library/Monitoring/Backend.php
+++ b/modules/monitoring/library/Monitoring/Backend.php
@@ -149,7 +149,13 @@ class Backend implements ConfigAwareFactory, DatasourceInterface
             $name = self::getDefaultBackendName();
         }
 
-        $config = self::$backendConfigs[$name];
+        if (isset(self::$backendConfigs[$name])) {
+            $config = self::$backendConfigs[$name];
+        } else {
+            throw new ConfigurationError(
+                'No configuration for backend' . $name
+            );
+        }
 
         self::$backendInstances[$name] = $backend = new self($config, ResourceFactory::getResourceConfig($config->resource));
         switch (strtolower($config->type)) {