diff --git a/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs b/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs
index d595185096..a23ec4d067 100644
--- a/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs
@@ -611,7 +611,7 @@ namespace OpenSim.Region.Environment.Modules.World.Land
                 {
                     if (obj != null)
                     {
-                        if ((obj is SceneObjectGroup) && ((SceneObjectGroup)obj).RootPart != null && !((SceneObjectGroup)obj).RootPart.IsAttachment)
+                        if ((obj is SceneObjectGroup) && !((SceneObjectGroup)obj).IsDeleted && !((SceneObjectGroup)obj).IsAttachment)
                         {
                             m_scene.EventManager.TriggerParcelPrimCountAdd((SceneObjectGroup)obj);
                         }
diff --git a/OpenSim/Region/Environment/Modules/World/Permissions/PermissionsModule.cs b/OpenSim/Region/Environment/Modules/World/Permissions/PermissionsModule.cs
index b6a0c234c5..058521362e 100644
--- a/OpenSim/Region/Environment/Modules/World/Permissions/PermissionsModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Permissions/PermissionsModule.cs
@@ -757,10 +757,9 @@ namespace OpenSim.Region.Environment.Modules.World.Permissions
                     SceneObjectPart part = scene.GetSceneObjectPart(objectID);
                     if (part.OwnerID != moverID)
                     {
-                        if (part.ParentGroup != null &&
-                            part.ParentGroup.RootPart != null)
+                        if (part.ParentGroup != null && !part.ParentGroup.IsDeleted)
                         {
-                            if (part.ParentGroup.RootPart.IsAttachment)
+                            if (part.ParentGroup.IsAttachment)
                                 return false;
                         }
                     }
diff --git a/OpenSim/Region/Environment/Scenes/InnerScene.cs b/OpenSim/Region/Environment/Scenes/InnerScene.cs
index 1e21a58a65..2189670d42 100644
--- a/OpenSim/Region/Environment/Scenes/InnerScene.cs
+++ b/OpenSim/Region/Environment/Scenes/InnerScene.cs
@@ -1138,7 +1138,7 @@ namespace OpenSim.Region.Environment.Scenes
             SceneObjectGroup group = GetGroupByPrim(localID);
             if (group != null)
             {
-                if (m_parentScene.ExternalChecks.ExternalChecksCanMoveObject(group.UUID, remoteClient.AgentId) || group.RootPart.IsAttachment)
+                if (m_parentScene.ExternalChecks.ExternalChecksCanMoveObject(group.UUID, remoteClient.AgentId) || group.IsAttachment)
                 {
                     group.UpdateSinglePosition(pos, localID);
                 }
@@ -1158,13 +1158,13 @@ namespace OpenSim.Region.Environment.Scenes
             {
 
                 // Vector3 oldPos = group.AbsolutePosition;
-                if (group.RootPart.IsAttachment)
+                if (group.IsAttachment)
                 {
                     group.UpdateGroupPosition(pos);
                 }
                 else
                 {
-                    if (m_parentScene.ExternalChecks.ExternalChecksCanMoveObject(group.UUID, remoteClient.AgentId) || group.RootPart.IsAttachment)
+                    if (m_parentScene.ExternalChecks.ExternalChecksCanMoveObject(group.UUID, remoteClient.AgentId) || group.IsAttachment)
                     {
                         group.UpdateGroupPosition(pos);
                     }
diff --git a/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs
index e9a381df74..c9c7bef25b 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.PacketHandlers.cs
@@ -169,7 +169,7 @@ namespace OpenSim.Region.Environment.Scenes
             //
             part.ParentGroup.IsSelected = false;
             
-            if (part.ParentGroup.RootPart.IsAttachment)
+            if (part.ParentGroup.IsAttachment)
                 isAttachment = true;
             else
                 part.ParentGroup.ScheduleGroupForFullUpdate();
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
index a94e592491..657986065a 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
@@ -225,7 +225,7 @@ namespace OpenSim.Region.Environment.Scenes
             {
                 Vector3 val = value;
                 
-                if ((val.X > 257f || val.X < -1f || val.Y > 257f || val.Y < -1f) && !m_rootPart.IsAttachment)
+                if ((val.X > 257f || val.X < -1f || val.Y > 257f || val.Y < -1f) && !IsAttachment)
                 {                                       
                     m_scene.CrossPrimGroupIntoNewRegion(val, this);
                 }
@@ -1212,7 +1212,7 @@ namespace OpenSim.Region.Environment.Scenes
                 if (HasGroupChanged)
                 {
                     // don't backup while it's selected or you're asking for changes mid stream.
-                    if ((!IsSelected) && (RootPart != null) && (!m_rootPart.IsAttachment))
+                    if (!(IsSelected || IsDeleted || IsAttachment))
                     {
                         m_log.DebugFormat(
                             "[SCENE]: Storing {0}, {1} in {2}",
@@ -1271,7 +1271,7 @@ namespace OpenSim.Region.Environment.Scenes
         {
             if (m_rootPart != null && m_rootPart.UUID == part.UUID)
             {
-                if (m_rootPart.IsAttachment)
+                if (IsAttachment)
                 {
                     part.SendFullUpdateToClient(remoteClient, m_rootPart.AttachedPos, clientFlags);
                 }
@@ -1441,7 +1441,7 @@ namespace OpenSim.Region.Environment.Scenes
             {
                 if (rootpart.PhysActor != null)
                 {
-                    if (rootpart.IsAttachment)
+                    if (IsAttachment)
                     {
                         ScenePresence avatar = m_scene.GetScenePresence(rootpart.AttachedAvatar);
                         if (avatar != null)
@@ -1580,7 +1580,7 @@ namespace OpenSim.Region.Environment.Scenes
 
             lock (m_parts)
             {
-                //if (m_rootPart.m_IsAttachment)
+                //if (IsAttachment)
                 //{
                     //foreach (SceneObjectPart part in m_parts.Values)
                     //{
@@ -2437,7 +2437,7 @@ namespace OpenSim.Region.Environment.Scenes
         {
             if (m_scene.EventManager.TriggerGroupMove(UUID, pos))
             {
-                if (m_rootPart.IsAttachment)
+                if (IsAttachment)
                 {
                     m_rootPart.AttachedPos = pos;
                 }
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index a92500cf09..b16125b192 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -2861,7 +2861,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
             m_host.AddScriptLPS(1);
 
-            if (m_host.ParentGroup.RootPart.IsAttachment && (UUID)agent == m_host.ParentGroup.RootPart.AttachedAvatar)
+            if (m_host.ParentGroup.IsAttachment && (UUID)agent == m_host.ParentGroup.RootPart.AttachedAvatar)
             {
                 // When attached, certain permissions are implicit if requested from owner
                 int implicitPerms = ScriptBaseClass.PERMISSION_TAKE_CONTROLS |
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 94d1fa7285..9a4cb8b98f 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -545,7 +545,7 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 {
                     UUID appDomain = assetID;
 
-                    if (part.ParentGroup.RootPart.IsAttachment)
+                    if (part.ParentGroup.IsAttachment)
                         appDomain = part.ParentGroup.RootPart.UUID;
 
                     if (!m_AppDomains.ContainsKey(appDomain))