diff --git a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
index 117427fc48..af75ea9c55 100755
--- a/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Attachments/AttachmentsModule.cs
@@ -118,6 +118,17 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments
                 return;
 
             m_invAccessModule = m_scene.RequestModuleInterface<IInventoryAccessModule>();
+            if(m_invAccessModule is null)
+            {
+                Enabled = false;
+                m_scene.UnregisterModuleInterface<IAttachmentsModule>(this);
+                m_scene.EventManager.OnNewClient -= SubscribeToClientEvents;
+                m_scene.EventManager.OnStartScript -= OnScriptStarted;
+                m_scene.EventManager.OnStopScript -= OnScriptStopped;
+                m_log.WarnFormat("[ATTACHMENTS MODULE]: InventoryService unvailable!. Module disabled");
+                return;
+            }
+
             m_regionConsole = scene.RequestModuleInterface<IRegionConsole>();
             if (m_regionConsole != null)
             {
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
index cd8e96457e..051398ff49 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/HGInventoryAccessModule.cs
@@ -322,6 +322,13 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             if (item == null || item.AssetID.IsZero())
                 return null;
 
+            if (attachment && (item.Flags & (uint)InventoryItemFlags.ObjectHasMultipleItems) != 0)
+            {
+                if (remoteClient != null && remoteClient.IsActive)
+                    remoteClient.SendAlertMessage("You can't attach multiple objects to one spot");
+                return null;
+            }
+
             string userAssetServer;
             if (IsForeignUser(remoteClient.AgentId, out userAssetServer))
             {
diff --git a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
index 772e432314..3c792aac83 100644
--- a/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/InventoryAccess/InventoryAccessModule.cs
@@ -926,6 +926,13 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
             if (item == null)
                 return null;
 
+            if (attachment && (item.Flags & (uint)InventoryItemFlags.ObjectHasMultipleItems) != 0)
+            {
+                if (remoteClient != null && remoteClient.IsActive)
+                    remoteClient.SendAlertMessage("You can't attach multiple objects to one spot");
+                return null;
+            }
+
             item.Owner = remoteClient.AgentId;
 
             return RezObject(