diff --git a/lib/Doctrine/deploy/AddServiceGroups.php b/lib/Doctrine/deploy/AddServiceGroups.php
index c4e7ba75a..3427093f6 100644
--- a/lib/Doctrine/deploy/AddServiceGroups.php
+++ b/lib/Doctrine/deploy/AddServiceGroups.php
@@ -10,6 +10,16 @@
 $stFileName = __DIR__ . "/" . $GLOBALS['dataDir'] . "/ServiceGroups.xml";
 $sts = simplexml_load_file($stFileName);
 
+// Checking the XML file has parsed correctly
+if ($sts === false) {
+    echo "There were errors parsing the XML file.\n";
+    // $error will be an object of the libXMLError class
+    foreach (libxml_get_errors() as $error) {
+        echo $error->message;
+    }
+    exit;
+}
+
 foreach($sts as $st) {
     $instance = new ServiceGroup();
     $name = "";
@@ -36,9 +46,10 @@
                 $scope = (string) $value;
                 break;
             default:
-                throw new LogicException("Unknown ServiceGroup key in input XML: ". $key);
+                break;
         }
     }
+
     $instance->setName($name);
     $instance->setDescription($desc);
     $instance->setMonitored($monitored);