diff --git a/src/Core/ExceptionCode.js b/src/Core/ExceptionCode.js
index d16ae0f..e1a2cf6 100644
--- a/src/Core/ExceptionCode.js
+++ b/src/Core/ExceptionCode.js
@@ -2,29 +2,31 @@ export default //const ExceptionCode =
 {
     HostNotReachable: 0,
     AccessDenied: 1,
-    ResourceNotFound: 2,
-    AttachDenied: 3,
-    InvalidMethod: 4,
-    InvokeDenied: 5,
-    CreateDenied: 6,
-    AddParentDenied: 7,
-    AddChildDenied: 8,
-    ViewAttributeDenied: 9,
-    UpdateAttributeDenied: 10,
-    StoreNotFound: 11,
-    ParentNotFound: 12,
-    ChildNotFound: 13,
-    ResourceIsNotStore: 14,
-    DeleteDenied: 15,
-    DeleteFailed: 16,
-    UpdateAttributeFailed: 17,
-    GetAttributesFailed: 18,
-    ClearAttributesFailed: 19,
-    TemplateNotFound: 20,
-    RenameDenied: 21,
-    ClassNotFound: 22,
-    MethodNotFound: 23,
-    PropertyNotFound: 24,
-    SetPropertyDenied: 25,
-    ReadOnlyProperty: 26
+    UserNotFound: 2,
+    ChallengeFailed: 3,
+    ResourceNotFound: 4,
+    AttachDenied: 5,
+    InvalidMethod: 6,
+    InvokeDenied: 7,
+    CreateDenied: 8,
+    AddParentDenied: 9,
+    AddChildDenied: 10,
+    ViewAttributeDenied: 11,
+    UpdateAttributeDenied: 12,
+    StoreNotFound: 13,
+    ParentNotFound: 14,
+    ChildNotFound: 15,
+    ResourceIsNotStore: 16,
+    DeleteDenied: 17,
+    DeleteFailed: 18,
+    UpdateAttributeFailed: 19,
+    GetAttributesFailed: 20,
+    ClearAttributesFailed: 21,
+    TemplateNotFound: 22,
+    RenameDenied: 23,
+    ClassNotFound: 24,
+    MethodNotFound: 25,
+    PropertyNotFound: 26,
+    SetPropertyDenied: 27,
+    ReadOnlyProperty: 28
 };
\ No newline at end of file
diff --git a/src/Data/DataConverter.js b/src/Data/DataConverter.js
index 0e5bd0b..6aa1b3b 100644
--- a/src/Data/DataConverter.js
+++ b/src/Data/DataConverter.js
@@ -297,43 +297,43 @@ export default class DC extends Uint8Array
 
     getInt16Array(offset, length)
     {
-        return new Int16Array(this.buffer, offset, length);
+        return new Int16Array(this.clip(offset, length).buffer);
     }
 
     getUint16Array(offset, length)
     {
-        return new Uint16Array(this.buffer, offset, length);
+        return new Uint16Array(this.clip(offset, length).buffer);
     }
 
     getInt32Array(offset, length)
     {
-        return new Int32Array(this.buffer, offset, length);
+        return new Int32Array(this.clip(offset, length).buffer);
     }
 
     getUint32Array(offset, length)
     {
-        return new Uint32Array(this.buffer, offset, length);
+        return new Uint32Array(this.clip(offset, length).buffer);
     }
 
     getFloat32Array(offset, length)
     {
-        return new Float32Array(this.buffer, offset, length);
+        return new Float32Array(this.clip(offset, length).buffer);
     }
 
     getFloat64Array(offset, length)
-    {
-        return new Float64Array(this.buffer, offset, length);
+    {       
+        return new Float64Array(this.clip(offset, length).buffer);
     }
 
     getInt64Array(offset, length)
     {
-        return new Int64Array(this.buffer, offset, length);
+        return new Int64Array(this.clip(offset, length).buffer);
     }
 
 
     getUint64Array(offset, length)
     {
-        return new Uint64Array(this.buffer, offset, length);
+        return new Uint64Array(this.clip(offset, length).buffer);
     }
 
     getBoolean(offset)
diff --git a/src/Net/IIP/DistributedConnection.js b/src/Net/IIP/DistributedConnection.js
index b158953..b5b066b 100644
--- a/src/Net/IIP/DistributedConnection.js
+++ b/src/Net/IIP/DistributedConnection.js
@@ -417,7 +417,11 @@ export default class DistributedConnection extends IStore {
                                     }
                                     else {
                                         // incorrect password
-                                        this.sendParams().addUint8(0xc0).addInt32(1).addUint16(5).addString("Error").done();
+                                        this.sendParams().addUint8(0xc0)
+                                                         .addInt32(ExceptionCode.AccessDenied)
+                                                         .addUint16(13)
+                                                         .addString("Access Denied")
+                                                         .done();
                                     }
                                 }
                             });
@@ -471,7 +475,11 @@ export default class DistributedConnection extends IStore {
                                 this.sendParams().addUint8(0x20).addUint16(0).done();
                             }
                             else {
-                                this.sendParams().addUint8(0xc0).addUint32(1).addUint16(5).addString("Error").done();
+                                this.sendParams().addUint8(0xc0)
+                                                 .addUint32(ExceptionCode.ChallengeFailed)
+                                                 .addUint16(16)
+                                                 .addString("Challenge Failed")
+                                                 .done();
                             }
                         }
                         else if (authPacket.action == IIPAuthPacketAction.ConnectionEstablished) {
diff --git a/src/esyur.js b/src/esyur.js
index 7e22082..158be2d 100644
--- a/src/esyur.js
+++ b/src/esyur.js
@@ -1,7 +1,12 @@
 
 import wh from './Resource/Warehouse.js';
+import Structure from './Data/Structure.js';
+import DistributedResource from './Net/IIP/DistributedResource.js'
 
-if (window)
-	window.wh = wh;
+if (window) {
+    window.wh = wh;
+    window.Structure = Structure;
+    window.DistributedResource = DistributedResource;
+}
 
 export default wh;
\ No newline at end of file