diff --git a/Ragon.Client/Sources/Entity/RagonProperty.cs b/Ragon.Client/Sources/Entity/RagonProperty.cs
index c0b9376..df2ddec 100644
--- a/Ragon.Client/Sources/Entity/RagonProperty.cs
+++ b/Ragon.Client/Sources/Entity/RagonProperty.cs
@@ -106,7 +106,7 @@ namespace Ragon.Client
       {
         Serialize(_propertyBuffer);
         
-        buffer.FromBuffer(_propertyBuffer, _size);
+        buffer.CopyFrom(_propertyBuffer, _size);
         return;
       }
 
@@ -114,7 +114,7 @@ namespace Ragon.Client
 
       var propertySize = (ushort) _propertyBuffer.WriteOffset;
       buffer.WriteUShort(propertySize);;
-      buffer.FromBuffer(_propertyBuffer, propertySize);
+      buffer.CopyFrom(_propertyBuffer, propertySize);
     }
 
     internal void Read(RagonBuffer buffer)
diff --git a/Ragon.Protocol/Sources/RagonBuffer.cs b/Ragon.Protocol/Sources/RagonBuffer.cs
index 5280758..b23a0f1 100644
--- a/Ragon.Protocol/Sources/RagonBuffer.cs
+++ b/Ragon.Protocol/Sources/RagonBuffer.cs
@@ -236,9 +236,6 @@ namespace Ragon.Protocol
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     public void Write(uint value, int numBits = 16)
     {
-      Debug.Assert(!(numBits < 0));
-      Debug.Assert(!(numBits > 32));
-
       var currentBucketIndex = _write >> 5;
       var used = _write & 0x0000001F;
       var mask = (1UL << used) - 1;
@@ -357,7 +354,7 @@ namespace Ragon.Protocol
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public void FromBuffer(RagonBuffer buffer, int size)
+    public void CopyFrom(RagonBuffer buffer, int size)
     {
       WriteArray(buffer._buckets, size);
     }
@@ -406,7 +403,7 @@ namespace Ragon.Protocol
     public byte[] ToArray()
     {
       Write(1, 1);
-      
+
       var data = new byte[Length];
       int bucketsCount = (_write >> 5) + 1;
       int length = data.Length;
@@ -431,11 +428,11 @@ namespace Ragon.Protocol
 
       return data;
     }
-    
+
     public void ToArray(byte[] outData)
     {
-      Debug.Assert(outData.Length >= Length);
-      
+      Write(1, 1);
+
       var bucketsCount = (_write >> 5) + 1;
       var length = Length;
 
diff --git a/Ragon.Server/Sources/Entity/RagonEntityState.cs b/Ragon.Server/Sources/Entity/RagonEntityState.cs
index 5543755..91e1773 100644
--- a/Ragon.Server/Sources/Entity/RagonEntityState.cs
+++ b/Ragon.Server/Sources/Entity/RagonEntityState.cs
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-
 using Ragon.Protocol;
 
 namespace Ragon.Server.Entity;
diff --git a/Ragon.Server/Sources/Entity/RagonPayload.cs b/Ragon.Server/Sources/Entity/RagonPayload.cs
index d073273..ee7232e 100644
--- a/Ragon.Server/Sources/Entity/RagonPayload.cs
+++ b/Ragon.Server/Sources/Entity/RagonPayload.cs
@@ -28,7 +28,7 @@ public class RagonPayload
 
   public void Read(RagonBuffer buffer)
   {
-    _size = buffer.Capacity;
+    _size = buffer.Capacity - 1;
     buffer.ReadArray(_data, _size);
   }
 
diff --git a/Ragon.Server/Sources/Entity/RagonProperty.cs b/Ragon.Server/Sources/Entity/RagonProperty.cs
index ec18b08..2cd4519 100644
--- a/Ragon.Server/Sources/Entity/RagonProperty.cs
+++ b/Ragon.Server/Sources/Entity/RagonProperty.cs
@@ -54,6 +54,13 @@ public class RagonProperty : RagonPayload
 
   public void Write(RagonBuffer buffer)
   {
+    if (IsFixed)
+    {
+      buffer.WriteArray(_data, Size);
+      return;
+    }
+    
+    buffer.Write((ushort) Size);
     buffer.WriteArray(_data, Size);
   }
 
diff --git a/Ragon.Server/Sources/RagonServer.cs b/Ragon.Server/Sources/RagonServer.cs
index a5b1a54..2b3e1e0 100644
--- a/Ragon.Server/Sources/RagonServer.cs
+++ b/Ragon.Server/Sources/RagonServer.cs
@@ -99,6 +99,11 @@ public class RagonServer : IRagonServer, INetworkListener
     _timer.Start();
     while (true)
     {
+      if (_timer.ElapsedMilliseconds > _tickRate * 2)
+      {
+        _logger.Warn($"Slow perfomance: {_timer.ElapsedMilliseconds}");
+      }
+
       if (_timer.ElapsedMilliseconds > _tickRate)
       {
         _timer.Restart();
@@ -197,7 +202,7 @@ public class RagonServer : IRagonServer, INetworkListener
         _reader.FromArray(data);
         
         var operation = _reader.ReadByte();
-        _handlers[operation].Handle(context, channel);
+        _handlers[operation]?.Handle(context, channel);
       }
     }
     catch (Exception ex)