9 files changed, 143 insertions, 63 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
index 79bc5ef..0eb15f8 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
@@ -865,18 +865,26 @@ namespace OpenSim.Region.ClientStack.Linden
                 item = m_Scene.InventoryService.GetItem(new InventoryItemBase(itemID));
                 if (item != null)
                 {
-                    copyItem = m_Scene.GiveInventoryItem(m_HostCapsObj.AgentID, item.Owner, itemID, folderID);
-                    if (copyItem != null && client != null)
+                    string message;
+                    copyItem = m_Scene.GiveInventoryItem(m_HostCapsObj.AgentID, item.Owner, itemID, folderID, out message);
+                    if (client != null)
                     {
-                        m_log.InfoFormat("[CAPS]: CopyInventoryFromNotecard, ItemID:{0}, FolderID:{1}", copyItem.ID, copyItem.Folder);
-                        client.SendBulkUpdateInventory(copyItem);
+                        if (copyItem != null)
+                        {
+                            m_log.InfoFormat("[CAPS]: CopyInventoryFromNotecard, ItemID:{0}, FolderID:{1}", copyItem.ID, copyItem.Folder);
+                            client.SendBulkUpdateInventory(copyItem);
+                        }
+                        else
+                        {
+                            client.SendAgentAlertMessage(message, false);
+                        }
                     }
                 }
                 else
                 {
                     m_log.ErrorFormat("[CAPS]: CopyInventoryFromNotecard - Failed to retrieve item {0} from notecard {1}", itemID, notecardID);
                     if (client != null)
-                        client.SendAlertMessage("Failed to retrieve item");
+                        client.SendAgentAlertMessage("Failed to retrieve item", false);
                 }
             }
             catch (Exception e)
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 7cb5b53..53217a0 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -1761,6 +1761,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             newBlock.Name = Util.StringToBytes256(folder.Name);
             newBlock.ParentID = folder.ParentID;
             newBlock.Type = (sbyte)folder.Type;
+            if (newBlock.Type == InventoryItemBase.SUITCASE_FOLDER_TYPE)
+                newBlock.Type = InventoryItemBase.SUITCASE_FOLDER_FAKE_TYPE;
 
             return newBlock;
         }
@@ -2010,8 +2012,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             folderBlock.FolderID = folder.ID;
             folderBlock.ParentID = folder.ParentID;
-            //folderBlock.Type = -1;
             folderBlock.Type = (sbyte)folder.Type;
+            if (folderBlock.Type == InventoryItemBase.SUITCASE_FOLDER_TYPE)
+                folderBlock.Type = InventoryItemBase.SUITCASE_FOLDER_FAKE_TYPE;
             folderBlock.Name = Util.StringToBytes256(folder.Name);
 
             return folderBlock;
diff --git a/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs b/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
index 0b10dd8..c632798 100644
--- a/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
@@ -180,8 +180,8 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Transfer
                         "[INVENTORY TRANSFER]: Inserting original folder {0} into agent {1}'s inventory",
                         folderID, new UUID(im.toAgentID));
                     
-                    InventoryFolderBase folderCopy 
-                        = scene.GiveInventoryFolder(receipientID, client.AgentId, folderID, UUID.Zero);
+                    InventoryFolderBase folderCopy
+                        = scene.GiveInventoryFolder(client, receipientID, client.AgentId, folderID, UUID.Zero);
                     
                     if (folderCopy == null)
                     {
@@ -217,13 +217,12 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Transfer
                             "into agent {1}'s inventory",
                             itemID, new UUID(im.toAgentID));
 
-                    InventoryItemBase itemCopy = scene.GiveInventoryItem(
-                            new UUID(im.toAgentID),
-                            client.AgentId, itemID);
+                    string message;
+                    InventoryItemBase itemCopy = scene.GiveInventoryItem(new UUID(im.toAgentID), client.AgentId, itemID, out message);
 
                     if (itemCopy == null)
                     {
-                        client.SendAgentAlertMessage("Can't find item to give. Nothing given.", false);
+                        client.SendAgentAlertMessage(message, false);
                         return;
                     }
                     
diff --git a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
index bb9f457..91f1b63 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.Inventory.cs
@@ -46,7 +46,7 @@ namespace OpenSim.Region.Framework.Scenes
 {
     public partial class Scene
     {
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         private static readonly string LogHeader = "[SCENE INVENTORY]";
 
         /// <summary>
@@ -534,9 +534,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="recipientClient"></param>
         /// <param name="senderId">ID of the sender of the item</param>
         /// <param name="itemId"></param>
-        public virtual void GiveInventoryItem(IClientAPI recipientClient, UUID senderId, UUID itemId)
+        public virtual void GiveInventoryItem(IClientAPI recipientClient, UUID senderId, UUID itemId, out string message)
         {
-            InventoryItemBase itemCopy = GiveInventoryItem(recipientClient.AgentId, senderId, itemId);
+            InventoryItemBase itemCopy = GiveInventoryItem(recipientClient.AgentId, senderId, itemId, out message);
 
             if (itemCopy != null)
                 recipientClient.SendBulkUpdateInventory(itemCopy);
@@ -549,9 +549,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="senderId">ID of the sender of the item</param>
         /// <param name="itemId"></param>
         /// <returns>The inventory item copy given, null if the give was unsuccessful</returns>
-        public virtual InventoryItemBase GiveInventoryItem(UUID recipient, UUID senderId, UUID itemId)
+        public virtual InventoryItemBase GiveInventoryItem(UUID recipient, UUID senderId, UUID itemId, out string message)
         {
-            return GiveInventoryItem(recipient, senderId, itemId, UUID.Zero);
+            return GiveInventoryItem(recipient, senderId, itemId, UUID.Zero, out message);
         }
 
         /// <summary>
@@ -568,12 +568,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// The inventory item copy given, null if the give was unsuccessful
         /// </returns>
         public virtual InventoryItemBase GiveInventoryItem(
-            UUID recipient, UUID senderId, UUID itemId, UUID recipientFolderId)
+            UUID recipient, UUID senderId, UUID itemId, UUID recipientFolderId, out string message)
         {
             //Console.WriteLine("Scene.Inventory.cs: GiveInventoryItem");
 
             if (!Permissions.CanTransferUserInventory(itemId, senderId, recipient))
+            {
+                message = "Not allowed to transfer this item.";
                 return null;
+            }
 
             InventoryItemBase item = new InventoryItemBase(itemId, senderId);
             item = InventoryService.GetItem(item);
@@ -582,6 +585,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 m_log.WarnFormat(
                     "[AGENT INVENTORY]: Failed to find item {0} sent by {1} to {2}", itemId, senderId, recipient);
+                message = string.Format("Item not found: {0}.", itemId);
                 return null;
             }
 
@@ -590,6 +594,7 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[AGENT INVENTORY]: Attempt to send item {0} {1} to {2} failed because sender {3} did not match item owner {4}",
                     item.Name, item.ID, recipient, senderId, item.Owner);
+                message = "Sender did not match item owner.";
                 return null;
             }
 
@@ -600,7 +605,10 @@ namespace OpenSim.Region.Framework.Scenes
             if (!Permissions.BypassPermissions())
             {
                 if ((item.CurrentPermissions & (uint)PermissionMask.Transfer) == 0)
+                {
+                    message = "Item doesn't have the Transfer permission.";
                     return null;
+                }
             }
 
             // Insert a copy of the item into the recipient
@@ -736,9 +744,14 @@ namespace OpenSim.Region.Framework.Scenes
                     InventoryFolderBase root = InventoryService.GetRootFolder(recipient);
 
                     if (root != null)
+                    {
                         itemCopy.Folder = root.ID;
+                    }
                     else
-                        return null; // No destination
+                    {
+                        message = "Can't find a folder to add the item to.";
+                        return null;
+                    }
                 }
             }
 
@@ -763,6 +776,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
+            message = null;
             return itemCopy;
         }
 
@@ -780,7 +794,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>
         /// The inventory folder copy given, null if the copy was unsuccessful
         /// </returns>
-        public virtual InventoryFolderBase GiveInventoryFolder(
+        public virtual InventoryFolderBase GiveInventoryFolder(IClientAPI client,
             UUID recipientId, UUID senderId, UUID folderId, UUID recipientParentFolderId)
         {
             //// Retrieve the folder from the sender
@@ -815,13 +829,18 @@ namespace OpenSim.Region.Framework.Scenes
             InventoryCollection contents = InventoryService.GetFolderContent(senderId, folderId);
             foreach (InventoryFolderBase childFolder in contents.Folders)
             {
-                GiveInventoryFolder(recipientId, senderId, childFolder.ID, newFolder.ID);
+                GiveInventoryFolder(client, recipientId, senderId, childFolder.ID, newFolder.ID);
             }
 
             // Give all the items
             foreach (InventoryItemBase item in contents.Items)
             {
-                GiveInventoryItem(recipientId, senderId, item.ID, newFolder.ID);
+                string message;
+                if (GiveInventoryItem(recipientId, senderId, item.ID, newFolder.ID, out message) == null)
+                {
+                    if (client != null)
+                        client.SendAgentAlertMessage(message, false);
+                }
             }
 
             return newFolder;
@@ -1148,11 +1167,19 @@ namespace OpenSim.Region.Framework.Scenes
 
                 InventoryFolderBase destFolder = InventoryService.GetFolderForType(remoteClient.AgentId, AssetType.TrashFolder);
 
-                // Move the item to trash. If this is a copiable item, only
+                // Move the item to trash. If this is a copyable item, only
                 // a copy will be moved and we will still need to delete
-                // the item from the prim. If it was no copy, is will be
+                // the item from the prim. If it was no copy, it will be
                 // deleted by this method.
-                MoveTaskInventoryItem(remoteClient, destFolder.ID, part, itemID);
+                string message;
+                InventoryItemBase item2 = MoveTaskInventoryItem(remoteClient, destFolder.ID, part, itemID, out message);
+
+                if (item2 == null)
+                {
+                    m_log.WarnFormat("[SCENE INVENTORY]: RemoveTaskInventory of item {0} failed: {1}", itemID, message);
+                    remoteClient.SendAgentAlertMessage(message, false);
+                    return;
+                }
 
                 if (group.GetInventoryItem(localID, itemID) != null)
                 {
@@ -1164,11 +1191,16 @@ namespace OpenSim.Region.Framework.Scenes
 
                     group.RemoveInventoryItem(localID, itemID);
                 }
+
                 part.SendPropertiesToClient(remoteClient);
             }
         }
 
-        private InventoryItemBase CreateAgentInventoryItemFromTask(UUID destAgent, SceneObjectPart part, UUID itemId)
+
+        /// <summary>
+        /// Creates (in memory only) a user inventory item that will contain a copy of a task inventory item.
+        /// </summary>
+        private InventoryItemBase CreateAgentInventoryItemFromTask(UUID destAgent, SceneObjectPart part, UUID itemId, out string message)
         {
             TaskInventoryItem taskItem = part.Inventory.GetInventoryItem(itemId);
 
@@ -1179,12 +1211,13 @@ namespace OpenSim.Region.Framework.Scenes
                         + " inventory item from a prim's inventory item "
                         + " but the required item does not exist in the prim's inventory",
                     itemId, part.Name, part.UUID);
-
+                message = "Item not found: " + itemId;
                 return null;
             }
 
             if ((destAgent != taskItem.OwnerID) && ((taskItem.CurrentPermissions & (uint)PermissionMask.Transfer) == 0))
             {
+                message = "Item doesn't have the Transfer permission.";
                 return null;
             }
 
@@ -1230,11 +1263,24 @@ namespace OpenSim.Region.Framework.Scenes
                 agentItem.GroupPermissions = taskItem.GroupPermissions;
             }
 
+            message = null;
+            return agentItem;
+        }
+
+        /// <summary>
+        /// If the task item is not-copyable then remove it from the prim.
+        /// </summary>
+        private void RemoveNonCopyTaskItemFromPrim(SceneObjectPart part, UUID itemId)
+        {
+            TaskInventoryItem taskItem = part.Inventory.GetInventoryItem(itemId);
+            if (taskItem == null)
+                return;
+
             if (!Permissions.BypassPermissions())
             {
                 if ((taskItem.CurrentPermissions & (uint)PermissionMask.Copy) == 0)
                 {
-                    if (taskItem.Type == 10)
+                    if (taskItem.Type == (int)AssetType.LSLText)
                     {
                         part.RemoveScriptEvents(itemId);
                         EventManager.TriggerRemoveScript(part.LocalId, itemId);
@@ -1243,8 +1289,6 @@ namespace OpenSim.Region.Framework.Scenes
                     part.Inventory.RemoveInventoryItem(itemId);
                 }
             }
-
-            return agentItem;
         }
 
         /// <summary>
@@ -1254,19 +1298,22 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="folderID"></param>
         /// <param name="part"></param>
         /// <param name="itemID"></param>
-        public InventoryItemBase MoveTaskInventoryItem(IClientAPI remoteClient, UUID folderId, SceneObjectPart part, UUID itemId)
+        public InventoryItemBase MoveTaskInventoryItem(IClientAPI remoteClient, UUID folderId, SceneObjectPart part, UUID itemId, out string message)
         {
             m_log.DebugFormat(
                 "[PRIM INVENTORY]: Adding item {0} from {1} to folder {2} for {3}", 
                 itemId, part.Name, folderId, remoteClient.Name);
             
-            InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(remoteClient.AgentId, part, itemId);
-
+            InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(remoteClient.AgentId, part, itemId, out message);
             if (agentItem == null)
                 return null;
 
             agentItem.Folder = folderId;
             AddInventoryItem(remoteClient, agentItem);
+
+            RemoveNonCopyTaskItemFromPrim(part, itemId);
+
+            message = null;
             return agentItem;
         }
 
@@ -1317,7 +1364,11 @@ namespace OpenSim.Region.Framework.Scenes
                     return;
             }
 
-            MoveTaskInventoryItem(remoteClient, folderId, part, itemId);
+            string message;
+            InventoryItemBase item = MoveTaskInventoryItem(remoteClient, folderId, part, itemId, out message);
+            
+            if (item == null)
+                remoteClient.SendAgentAlertMessage(message, false);
         }
 
         /// <summary>
@@ -1331,17 +1382,17 @@ namespace OpenSim.Region.Framework.Scenes
         /// </param>
         /// <param name="part"></param>
         /// <param name="itemID"></param>
-        public InventoryItemBase MoveTaskInventoryItem(UUID avatarId, UUID folderId, SceneObjectPart part, UUID itemId)
+        public InventoryItemBase MoveTaskInventoryItem(UUID avatarId, UUID folderId, SceneObjectPart part, UUID itemId, out string message)
         {
             ScenePresence avatar;
 
             if (TryGetScenePresence(avatarId, out avatar))
             {
-                return MoveTaskInventoryItem(avatar.ControllingClient, folderId, part, itemId);
+                return MoveTaskInventoryItem(avatar.ControllingClient, folderId, part, itemId, out message);
             }
             else
             {
-                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(avatarId, part, itemId);
+                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(avatarId, part, itemId, out message);
 
                 if (agentItem == null)
                     return null;
@@ -1350,6 +1401,8 @@ namespace OpenSim.Region.Framework.Scenes
 
                 AddInventoryItem(agentItem);
 
+                RemoveNonCopyTaskItemFromPrim(part, itemId);
+
                 return agentItem;
             }
         }
@@ -1455,6 +1508,11 @@ namespace OpenSim.Region.Framework.Scenes
 
         public UUID MoveTaskInventoryItems(UUID destID, string category, SceneObjectPart host, List<UUID> items)
         {
+            ScenePresence avatar;
+            IClientAPI remoteClient = null;
+            if (TryGetScenePresence(destID, out avatar))
+                remoteClient = avatar.ControllingClient;
+
             InventoryFolderBase rootFolder = InventoryService.GetRootFolder(destID);
 
             UUID newFolderID = UUID.Random();
@@ -1464,26 +1522,28 @@ namespace OpenSim.Region.Framework.Scenes
 
             foreach (UUID itemID in items)
             {
-                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(destID, host, itemID);
+                string message;
+                InventoryItemBase agentItem = CreateAgentInventoryItemFromTask(destID, host, itemID, out message);
 
                 if (agentItem != null)
                 {
                     agentItem.Folder = newFolderID;
 
                     AddInventoryItem(agentItem);
+
+                    RemoveNonCopyTaskItemFromPrim(host, itemID);
+                }
+                else
+                {
+                    if (remoteClient != null)
+                        remoteClient.SendAgentAlertMessage(message, false);
                 }
             }
 
-            ScenePresence avatar = null;
-            if (TryGetScenePresence(destID, out avatar))
+            if (remoteClient != null)
             {
-                //profile.SendInventoryDecendents(avatar.ControllingClient,
-                //        profile.RootFolder.ID, true, false);
-                //profile.SendInventoryDecendents(avatar.ControllingClient,
-                //        newFolderID, false, true);
-
-                SendInventoryUpdate(avatar.ControllingClient, rootFolder, true, false);
-                SendInventoryUpdate(avatar.ControllingClient, newFolder, false, true);
+                SendInventoryUpdate(remoteClient, rootFolder, true, false);
+                SendInventoryUpdate(remoteClient, newFolder, false, true);
             }
 
             return newFolderID;
diff --git a/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs b/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs
index 6e0ea7d..f809267 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/TaskInventoryTests.cs
@@ -136,7 +136,8 @@ namespace OpenSim.Region.Framework.Tests
                 = InventoryArchiveUtils.FindFoldersByPath(scene.InventoryService, user1.PrincipalID, "Objects")[0];
             
             // Perform test
-            scene.MoveTaskInventoryItem(user1.PrincipalID, folder.ID, sop1, sopItem1.ItemID);
+            string message;
+            scene.MoveTaskInventoryItem(user1.PrincipalID, folder.ID, sop1, sopItem1.ItemID, out message);
                 
             InventoryItemBase ncUserItem
                 = InventoryArchiveUtils.FindItemByPath(scene.InventoryService, user1.PrincipalID, "Objects/ncItem");
@@ -165,7 +166,8 @@ namespace OpenSim.Region.Framework.Tests
                     scene, sop1, "ncItem", TestHelpers.ParseTail(0x800), TestHelpers.ParseTail(0x900), "Hello World!");
             
             // Perform test
-            scene.MoveTaskInventoryItem(user1.PrincipalID, UUID.Zero, sop1, sopItem1.ItemID);
+            string message;
+            scene.MoveTaskInventoryItem(user1.PrincipalID, UUID.Zero, sop1, sopItem1.ItemID, out message);
                 
             InventoryItemBase ncUserItem
                 = InventoryArchiveUtils.FindItemByPath(scene.InventoryService, user1.PrincipalID, "Notecards/ncItem");
diff --git a/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs b/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs
index e50b4da..0736278 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs
@@ -95,7 +95,9 @@ namespace OpenSim.Region.Framework.Tests
             UserAccount user2 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1002));
             InventoryItemBase item1 = UserInventoryHelpers.CreateInventoryItem(scene, "item1", user1.PrincipalID);
 
-            scene.GiveInventoryItem(user2.PrincipalID, user1.PrincipalID, item1.ID);
+            string message;
+
+            scene.GiveInventoryItem(user2.PrincipalID, user1.PrincipalID, item1.ID, out message);
 
             InventoryItemBase retrievedItem1
                 = UserInventoryHelpers.GetInventoryItem(scene.InventoryService, user2.PrincipalID, "Notecards/item1");
@@ -103,7 +105,7 @@ namespace OpenSim.Region.Framework.Tests
             Assert.That(retrievedItem1, Is.Not.Null);
 
             // Try giving back the freshly received item
-            scene.GiveInventoryItem(user1.PrincipalID, user2.PrincipalID, retrievedItem1.ID);
+            scene.GiveInventoryItem(user1.PrincipalID, user2.PrincipalID, retrievedItem1.ID, out message);
 
             List<InventoryItemBase> reretrievedItems
                 = UserInventoryHelpers.GetInventoryItems(scene.InventoryService, user1.PrincipalID, "Notecards/item1");
@@ -123,7 +125,7 @@ namespace OpenSim.Region.Framework.Tests
             InventoryFolderBase folder1
                 = UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, "folder1", false);
 
-            scene.GiveInventoryFolder(user2.PrincipalID, user1.PrincipalID, folder1.ID, UUID.Zero);
+            scene.GiveInventoryFolder(null, user2.PrincipalID, user1.PrincipalID, folder1.ID, UUID.Zero);
 
             InventoryFolderBase retrievedFolder1
                 = UserInventoryHelpers.GetInventoryFolder(scene.InventoryService, user2.PrincipalID, "folder1");
@@ -131,7 +133,7 @@ namespace OpenSim.Region.Framework.Tests
             Assert.That(retrievedFolder1, Is.Not.Null);
 
             // Try giving back the freshly received folder
-            scene.GiveInventoryFolder(user1.PrincipalID, user2.PrincipalID, retrievedFolder1.ID, UUID.Zero);
+            scene.GiveInventoryFolder(null, user1.PrincipalID, user2.PrincipalID, retrievedFolder1.ID, UUID.Zero);
 
             List<InventoryFolderBase> reretrievedFolders
                 = UserInventoryHelpers.GetInventoryFolders(scene.InventoryService, user1.PrincipalID, "folder1");
diff --git a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
index fc8cae2..f34152c 100644
--- a/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
+++ b/OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs
@@ -560,12 +560,13 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                     if (m_debugEnabled)
                         m_log.DebugFormat("[Groups]: Giving inventory from {0} to {1}", giver, remoteClient.AgentId);
 
+                    string message;
                     InventoryItemBase itemCopy = ((Scene)(remoteClient.Scene)).GiveInventoryItem(remoteClient.AgentId,
-                        giver, attachmentUUID);
+                        giver, attachmentUUID, out message);
 
                     if (itemCopy == null)
                     {
-                        remoteClient.SendAgentAlertMessage("Can't find item to give. Nothing given.", false);
+                        remoteClient.SendAgentAlertMessage(message, false);
                         return;
                     }
 
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 4d20e13..d169912 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -1884,9 +1884,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 part.Shape.LightColorR = Util.Clip((float)color.x, 0.0f, 1.0f);
                 part.Shape.LightColorG = Util.Clip((float)color.y, 0.0f, 1.0f);
                 part.Shape.LightColorB = Util.Clip((float)color.z, 0.0f, 1.0f);
-                part.Shape.LightIntensity = intensity;
-                part.Shape.LightRadius = radius;
-                part.Shape.LightFalloff = falloff;
+                part.Shape.LightIntensity = Util.Clip((float)intensity, 0.0f, 1.0f);
+                part.Shape.LightRadius = Util.Clip((float)radius, 0.1f, 20.0f);
+                part.Shape.LightFalloff = Util.Clip((float)falloff, 0.01f, 2.0f);
             }
             else
             {
@@ -4127,10 +4127,14 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     }
                 }
                 // destination is an avatar
-                InventoryItemBase agentItem = World.MoveTaskInventoryItem(destId, UUID.Zero, m_host, objId);
+                string message;
+                InventoryItemBase agentItem = World.MoveTaskInventoryItem(destId, UUID.Zero, m_host, objId, out message);
 
                 if (agentItem == null)
+                {
+                    llSay(0, message); 
                     return;
+                }
 
                 if (m_TransferModule != null)
                 {
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 6302455..de2c3f7 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -3397,14 +3397,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (sp == null)
                 return;
 
-            InventoryItemBase newItem = World.MoveTaskInventoryItem(sp.UUID, UUID.Zero, m_host, item.ItemID);
+            string message;
+            InventoryItemBase newItem = World.MoveTaskInventoryItem(sp.UUID, UUID.Zero, m_host, item.ItemID, out message);
 
             if (newItem == null)
             {
                 m_log.ErrorFormat(
-                    "[OSSL API]: Could not create user inventory item {0} for {1}, attach point {2} in {3}",
-                    itemName, m_host.Name, attachmentPoint, World.Name);
-
+                    "[OSSL API]: Could not create user inventory item {0} for {1}, attach point {2} in {3}: {4}",
+                    itemName, m_host.Name, attachmentPoint, World.Name, message);
+                ((LSL_Api)m_LSL_Api).llSay(0, message);
                 return;
             }