diff --git a/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.controller.js b/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.controller.js
index 0c9d027646..4897ad3023 100644
--- a/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.controller.js
@@ -6,11 +6,11 @@
  * @description
  * The controller for the doc type creation dialog
  */
-function DocumentTypesCreateController($scope, $location, navigationService, contentTypeResource, formHelper, appState) {
+function DocumentTypesCreateController($scope, $location, navigationService, contentTypeResource, formHelper, appState, notificationsService) {
 
     $scope.model = {
         folderName: "",
-        creatingFolder: false
+        creatingFolder: false,        
     };
 
     var node = $scope.dialogOptions.currentNode;
@@ -29,12 +29,18 @@ function DocumentTypesCreateController($scope, $location, navigationService, con
 
                 formHelper.resetForm({ scope: $scope });
 
-                var section = appState.getSectionState("currentSection");
-                $location.path("/" + section + "/documenttypes/list/" + folderId);
-
+                var section = appState.getSectionState("currentSection"); 
+                
             }, function(err) {
 
-               //TODO: Handle errors
+                $scope.error = err;
+
+                //show any notifications
+                if (angular.isArray(err.data.notifications)) {
+                    for (var i = 0; i < err.data.notifications.length; i++) {
+                        notificationsService.showNotification(err.data.notifications[i]);
+                    }
+                }
             });
         };
     }
diff --git a/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.html b/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.html
index 59c8a3d7ec..a8e4086352 100644
--- a/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.html
+++ b/src/Umbraco.Web.UI.Client/src/views/documenttypes/create.html
@@ -35,6 +35,11 @@
         <form novalidate name="createFolderForm"
               ng-submit="createFolder()"
               val-form-manager>
+            
+            <div ng-show="error">
+                <h5 class="text-error">{{error.errorMsg}}</h5>
+                <p class="text-error">{{error.data.message}}</p>
+            </div>
 
             <umb-control-group label="Enter a folder name" hide-label="false">
                 <input type="text" name="folderName" ng-model="model.folderName" class="umb-textstring textstring input-block-level" required />
diff --git a/src/Umbraco.Web/Editors/ContentController.cs b/src/Umbraco.Web/Editors/ContentController.cs
index f745cd3d06..192b49e2cf 100644
--- a/src/Umbraco.Web/Editors/ContentController.cs
+++ b/src/Umbraco.Web/Editors/ContentController.cs
@@ -602,13 +602,9 @@ namespace Umbraco.Web.Editors
                 //cannot move if the content item is not allowed at the root
                 if (toMove.ContentType.AllowedAsRoot == false)
                 {
-                    var msg = Services.TextService.Localize("moveOrCopy/notAllowedAtRoot");
-                    var notificationModel = new SimpleNotificationModel
-                    {
-                        Message = msg
-                    };
-                    notificationModel.AddErrorNotification(msg, "");
-                    throw new HttpResponseException( Request.CreateValidationErrorResponse(notificationModel));
+                    throw new HttpResponseException(
+                        Request.CreateNotificationValidationErrorResponse(
+                            Services.TextService.Localize("moveOrCopy/notAllowedAtRoot")));
                 }
             }
             else
@@ -619,31 +615,21 @@ namespace Umbraco.Web.Editors
                     throw new HttpResponseException(HttpStatusCode.NotFound);
                 }
 
-                
-
                 //check if the item is allowed under this one
                 if (parent.ContentType.AllowedContentTypes.Select(x => x.Id).ToArray()
                     .Any(x => x.Value == toMove.ContentType.Id) == false)
                 {
-                    var msg = Services.TextService.Localize("moveOrCopy/notAllowedByContentType");
-                    var notificationModel = new SimpleNotificationModel
-                    {
-                        Message = msg
-                    };
-                    notificationModel.AddErrorNotification(msg, "");
-                    throw new HttpResponseException(Request.CreateValidationErrorResponse(notificationModel));
+                    throw new HttpResponseException(
+                        Request.CreateNotificationValidationErrorResponse(
+                            Services.TextService.Localize("moveOrCopy/notAllowedByContentType")));
                 }
 
                 // Check on paths
                 if ((string.Format(",{0},", parent.Path)).IndexOf(string.Format(",{0},", toMove.Id), StringComparison.Ordinal) > -1)
-                {
-                    var msg = Services.TextService.Localize("moveOrCopy/notAllowedByPath");
-                    var notificationModel = new SimpleNotificationModel
-                    {
-                        Message = msg
-                    };
-                    notificationModel.AddErrorNotification(msg, "");
-                    throw new HttpResponseException(Request.CreateValidationErrorResponse(notificationModel));
+                {                    
+                    throw new HttpResponseException(
+                        Request.CreateNotificationValidationErrorResponse(
+                            Services.TextService.Localize("moveOrCopy/notAllowedByPath")));
                 }
             }
 
diff --git a/src/Umbraco.Web/Editors/ContentTypeController.cs b/src/Umbraco.Web/Editors/ContentTypeController.cs
index aac243f727..6ca5eedff7 100644
--- a/src/Umbraco.Web/Editors/ContentTypeController.cs
+++ b/src/Umbraco.Web/Editors/ContentTypeController.cs
@@ -137,18 +137,16 @@ namespace Umbraco.Web.Editors
 
             return Request.CreateResponse(HttpStatusCode.OK);
         }
-
+        
         public HttpResponseMessage PostCreateFolder(int parentId, string name)
         {
             var result = Services.ContentTypeService.CreateFolder(parentId, name, Security.CurrentUser.Id);
 
             return result
                 ? Request.CreateResponse(HttpStatusCode.OK, result.Result) //return the id 
-                : Request.CreateValidationErrorResponse(result.Exception.Message);
+                : Request.CreateNotificationValidationErrorResponse(result.Exception.Message);
         }
 
-        
-
         public ContentTypeDisplay PostSave(ContentTypeSave contentTypeSave)
         {
             var savedCt = PerformPostSave<IContentType, ContentTypeDisplay>(
diff --git a/src/Umbraco.Web/Trees/ContentTypeTreeController.cs b/src/Umbraco.Web/Trees/ContentTypeTreeController.cs
index 2bb8df94c2..9a048471b8 100644
--- a/src/Umbraco.Web/Trees/ContentTypeTreeController.cs
+++ b/src/Umbraco.Web/Trees/ContentTypeTreeController.cs
@@ -15,7 +15,7 @@ using Umbraco.Core.Services;
 
 namespace Umbraco.Web.Trees
 {
-    [UmbracoTreeAuthorize(Constants.Trees.DataTypes)]
+    [UmbracoTreeAuthorize(Constants.Trees.DocumentTypes)]
     [Tree(Constants.Applications.Settings, Constants.Trees.DocumentTypes, null, sortOrder: 6)]
     [Umbraco.Web.Mvc.PluginController("UmbracoTrees")]
     [CoreTree]
@@ -36,7 +36,8 @@ namespace Umbraco.Web.Trees
                         var node = CreateTreeNode(dt.Id.ToString(), id, queryStrings, dt.Name, "icon-folder", dt.HasChildren(), "");
                         node.Path = dt.Path;
                         node.NodeType = "container";
-                        
+                        //TODO: This isn't the best way to ensure a noop process for clicking a node but it works for now.
+                        node.AdditionalData["jsClickCallback"] = "javascript:void(0);";
                         return node;
                     }));
 
@@ -45,7 +46,11 @@ namespace Umbraco.Web.Trees
                     .OrderBy(entity => entity.Name)
                     .Select(dt =>
                     {
-                        var node = CreateTreeNode(dt.Id.ToString(), id, queryStrings, dt.Name, "icon-item-arrangement", false);
+                        var node = CreateTreeNode(dt.Id.ToString(), id, queryStrings, dt.Name, "icon-item-arrangement", 
+                            //NOTE: This is legacy now but we need to support upgrades. From 7.4+ we don't allow 'child' creations since
+                            // this is an organiational thing and we do that with folders now.
+                            dt.HasChildren());
+
                         node.Path = dt.Path;
                         return node;
                     }));
diff --git a/src/Umbraco.Web/Trees/MediaTypeTreeController.cs b/src/Umbraco.Web/Trees/MediaTypeTreeController.cs
index 4b721d8e56..1ee5db6458 100644
--- a/src/Umbraco.Web/Trees/MediaTypeTreeController.cs
+++ b/src/Umbraco.Web/Trees/MediaTypeTreeController.cs
@@ -15,7 +15,7 @@ using Umbraco.Core.Services;
 
 namespace Umbraco.Web.Trees
 {
-    [UmbracoTreeAuthorize(Constants.Trees.DataTypes)]
+    [UmbracoTreeAuthorize(Constants.Trees.MediaTypes)]
     [Tree(Constants.Applications.Settings, Constants.Trees.MediaTypes, null, sortOrder:5)]
     [Umbraco.Web.Mvc.PluginController("UmbracoTrees")]
     [CoreTree]
diff --git a/src/Umbraco.Web/Trees/MemberTypeTreeController.cs b/src/Umbraco.Web/Trees/MemberTypeTreeController.cs
index 24f3722c15..a3422f367a 100644
--- a/src/Umbraco.Web/Trees/MemberTypeTreeController.cs
+++ b/src/Umbraco.Web/Trees/MemberTypeTreeController.cs
@@ -12,7 +12,7 @@ using Umbraco.Web.WebApi.Filters;
 
 namespace Umbraco.Web.Trees
 {
-    [UmbracoTreeAuthorize(Constants.Trees.DataTypes)]
+    [UmbracoTreeAuthorize(Constants.Trees.MemberTypes)]
     [Tree(Constants.Applications.Members, Constants.Trees.MemberTypes, null, sortOrder:2  )]
     [Umbraco.Web.Mvc.PluginController("UmbracoTrees")]
     [CoreTree]
diff --git a/src/Umbraco.Web/WebApi/HttpRequestMessageExtensions.cs b/src/Umbraco.Web/WebApi/HttpRequestMessageExtensions.cs
index bd2290ce17..04035c0017 100644
--- a/src/Umbraco.Web/WebApi/HttpRequestMessageExtensions.cs
+++ b/src/Umbraco.Web/WebApi/HttpRequestMessageExtensions.cs
@@ -11,6 +11,7 @@ using System.Web.Http;
 using System.Web.Http.ModelBinding;
 using Microsoft.Owin;
 using Umbraco.Core;
+using Umbraco.Web.Models.ContentEditing;
 
 namespace Umbraco.Web.WebApi
 {
@@ -107,6 +108,22 @@ namespace Umbraco.Web.WebApi
             return msg;
         }
 
+        /// <summary>
+        /// Creates an error response with notifications in the result to be displayed in the UI
+        /// </summary>
+        /// <param name="request"></param>
+        /// <param name="errorMessage"></param>
+        /// <returns></returns>
+        public static HttpResponseMessage CreateNotificationValidationErrorResponse(this HttpRequestMessage request, string errorMessage)
+        {
+            var notificationModel = new SimpleNotificationModel
+            {
+                Message = errorMessage
+            };
+            notificationModel.AddErrorNotification(errorMessage, string.Empty);
+            return request.CreateValidationErrorResponse(notificationModel);
+        }
+
         /// <summary>
         /// Create a 400 response message indicating that a validation error occurred
         /// </summary>