diff --git a/code/client/clrcore-v2/Coroutine/Coroutine.cs b/code/client/clrcore-v2/Coroutine/Coroutine.cs
index b0e14c2eaf..bc5064e391 100644
--- a/code/client/clrcore-v2/Coroutine/Coroutine.cs
+++ b/code/client/clrcore-v2/Coroutine/Coroutine.cs
@@ -202,6 +202,8 @@ public object GetResult()
 			return GetResultInternal();
 		}
 
+		internal object GetResultNonThrowing() => GetResultInternal();
+
 		protected virtual object GetResultInternal() => null;
 
 		internal void Complete() => CompleteInternal(State.Completed);
diff --git a/code/client/clrcore-v2/Interop/LocalFunction.cs b/code/client/clrcore-v2/Interop/LocalFunction.cs
index 0f4955978a..4e777ec552 100644
--- a/code/client/clrcore-v2/Interop/LocalFunction.cs
+++ b/code/client/clrcore-v2/Interop/LocalFunction.cs
@@ -53,12 +53,15 @@ internal unsafe Coroutine<object> Invoke(object[] args)
 					&& requestAsyncCallback is Callback callbackRequested)
 				{
 					var c = new Coroutine<object>();
-					callbackRequested(new Action<object, object>((a, e) =>
+					callbackRequested(new Action<object, object>((results, exception) =>
 					{
-						if (e != null)
-							c.SetException(new Exception(e.ToString()));
+						if (exception != null)
+							c.Fail(null, new Exception(exception.ToString()));
+						else if(results is object[] array && array.Length > 0)
+							c.Complete(array[0]);
 						else
-							c.Complete(a);
+							c.Complete(null);
+
 					}));
 
 					return c;
diff --git a/code/client/clrcore-v2/Interop/MsgPackSerializer.cs b/code/client/clrcore-v2/Interop/MsgPackSerializer.cs
index 51ebb513d3..1b3c5c65cf 100644
--- a/code/client/clrcore-v2/Interop/MsgPackSerializer.cs
+++ b/code/client/clrcore-v2/Interop/MsgPackSerializer.cs
@@ -35,8 +35,8 @@ internal static byte[] Serialize(object obj, bool remote = false)
 				using (var packer = Packer.Create(stream, PackerCompatibilityOptions.None))
 				{
 					Serialize(obj, packer);
-					//return stream.ToArray();
-					return stream.GetBuffer();
+					return stream.ToArray(); // other runtimes read the full length we give them, so shrink the buffer (copy)
+					//return stream.GetBuffer();
 				}
 			}
 
diff --git a/code/client/clrcore-v2/Interop/ReferenceFunctionManager.cs b/code/client/clrcore-v2/Interop/ReferenceFunctionManager.cs
index 00dabbacdf..0ad406c287 100644
--- a/code/client/clrcore-v2/Interop/ReferenceFunctionManager.cs
+++ b/code/client/clrcore-v2/Interop/ReferenceFunctionManager.cs
@@ -182,21 +182,31 @@ internal unsafe static byte[] Invoke(int reference, byte* arguments, uint argsSi
 				{
 					if (coroutine.IsCompleted)
 					{
-						if (coroutine.GetResult() is Callback callback)
-							coroutine.ContinueWith(() => callback(coroutine.GetResult(), coroutine.Exception));
-						else
-							return MsgPackSerializer.Serialize(new[] { coroutine.GetResult() });
+						if (coroutine.Exception != null)
+						{
+							Debug.Write(coroutine.Exception);
+						}
+
+						return MsgPackSerializer.Serialize(new[] { coroutine.GetResultNonThrowing(), coroutine.Exception?.ToString() });
 					}
 					else
 					{
-						var returnDictionary = new Dictionary<string, object>(1);
-						returnDictionary.Add("__cfx_async_retval", new Action<Callback>(asyncResult =>
-							{
-								coroutine.ContinueWith(new Action(() => asyncResult(coroutine.GetResult(), coroutine.Exception)));
-							})
-						);
-
-						return MsgPackSerializer.Serialize(new[] { returnDictionary });
+						var returnDictionary = new Dictionary<string, object>()
+						{
+							{ "__cfx_async_retval", new Action<Callback>(asyncResult =>
+								coroutine.ContinueWith(() =>
+								{
+									if (coroutine.Exception != null)
+									{
+										Debug.Write(coroutine.Exception);
+									}
+
+									asyncResult(coroutine.GetResultNonThrowing(), coroutine.Exception?.ToString());
+								}))
+							}
+						};
+
+						return MsgPackSerializer.Serialize(new object[] { returnDictionary });
 					}
 				}
 
diff --git a/code/client/clrcore-v2/Native/Native.cs b/code/client/clrcore-v2/Native/Native.cs
index 759743902f..c77ad878a5 100644
--- a/code/client/clrcore-v2/Native/Native.cs
+++ b/code/client/clrcore-v2/Native/Native.cs
@@ -93,7 +93,7 @@ internal static unsafe object[] InvokeFunctionReference(CString referenceIdentit
 				ulong* __data = stackalloc ulong[] { (ulong)p_referenceIdentity, (ulong)p_argsSerialized, unchecked((ulong)argsSerialized.value?.LongLength), (ulong)&retLength };
 				ScriptContext.InvokeNative(ref s_0xe3551879, 0xe3551879, __data, 4); // INVOKE_FUNCTION_REFERENCE
 
-				return MsgPackDeserializer.DeserializeArray((byte*)__data, (long)retLength);
+				return MsgPackDeserializer.DeserializeArray(*(byte**)__data, (long)retLength);
 			}
 		}