Merge branch 'master' into careminster

Conflicts:
	OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
	OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
	OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
	OpenSim/Region/Framework/Scenes/ScenePresence.cs
	OpenSim/Region/Framework/Scenes/SimStatsReporter.cs

1 files changed, 7 insertions, 0 deletions

diff --git a/OpenSim/Addons/Groups/Service/GroupsService.cs b/OpenSim/Addons/Groups/Service/GroupsService.cs
index 6a4348b..a2ef13a 100644
--- a/OpenSim/Addons/Groups/Service/GroupsService.cs
+++ b/OpenSim/Addons/Groups/Service/GroupsService.cs
@@ -130,6 +130,13 @@ namespace OpenSim.Groups
         {
             reason = string.Empty;
 
+            // Check if the group already exists
+            if (m_Database.RetrieveGroup(name) != null)
+            {
+                reason = "A group with that name already exists";
+                return UUID.Zero;
+            }
+
             // Create the group
             GroupData data = new GroupData();
             data.GroupID = UUID.Random();