Stuff

System.Reflection.AmbiguousMatchException: Ambiguous matching in method resolution

Server stack trace: 
  at System.Reflection.Binder.FindMostDerivedMatch (System.Reflection.MethodBase[] match) [0x00000] 
  at System.MonoType.GetMethodImpl (System.String name, BindingFlags bindingAttr, System.Reflection.Binder binder, CallingConventions callConvention, System.Type[] types, System.Reflection.ParameterModifier[] modifiers) [0x00000] 
  at System.Type.GetMethod (System.String name, BindingFlags bindingAttr) [0x00000] 
  at System.Runtime.Remoting.RemotingServices.GetMethodBaseFromName (System.Type type, System.String methodName, System.Type[] signature) [0x00000] 
  at System.Runtime.Remoting.Messaging.MethodCall.ResolveMethod () [0x00000] 
  at System.Runtime.Remoting.Messaging.MethodCall..ctor (System.Runtime.Remoting.Messaging.Header[] headers) [0x00000] 
  at System.Runtime.Serialization.Formatters.Binary.MessageFormatter.ReadMethodCall (System.IO.BinaryReader reader, Boolean hasHeaders, System.Runtime.Remoting.Messaging.HeaderHandler headerHandler, System.Runtime.Serialization.Formatters.Binary.BinaryFormatter formatter) [0x00000] 
  at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.NoCheckDeserialize (System.IO.Stream serializationStream, System.Runtime.Remoting.Messaging.HeaderHandler handler) [0x00000] 
  at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize (System.IO.Stream serializationStream, System.Runtime.Remoting.Messaging.HeaderHandler handler) [0x00000] 
  at System.Runtime.Remoting.Channels.BinaryServerFormatterSink.ProcessMessage (IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, System.IO.Stream requestStream, IMessage& responseMsg, ITransportHeaders& responseHeaders, System.IO.Stream& responseStream) [0x00000] 

Exception rethrown at [0]: 

in <0x006dc> System.Runtime.Remoting.Proxies.RealProxy:PrivateInvoke (System.Runtime.Remoting.Proxies.RealProxy rp, IMessage msg, System.Exception exc, System.Object[] out_args)