XBMC in iMon display error

5-3-2012 22:36:26 [XBMC] Error while calling JSON RPC method "Player.GetActivePlayers"
    InvalidCastException: Unable to cast object of type 'Newtonsoft.Json.Linq.JArray' to type 'Newtonsoft.Json.Linq.JValue'.
            at Newtonsoft.Json.Linq.Extensions.Convert[T,U](T token, Boolean cast)
   at Newtonsoft.Json.Linq.Extensions.Convert[T,U](T token)
   at Newtonsoft.Json.Linq.Extensions.Value[T,U](IEnumerable`1 value)
   at Newtonsoft.Json.Linq.Extensions.Value[U](IEnumerable`1 value)
   at XBMC.JsonRpc.JsonRpcClient.parseResponse(StreamReader reader)
   at XBMC.JsonRpc.JsonRpcClient.Call(String method, Object args)
5-3-2012 22:36:26 [XBMC] Player.GetActivePlayers(): Invalid response
5-3-2012 22:36:26 [XBMC] {
  "code": -32601,
  "message": "Method not found."
}
5-3-2012 22:36:26 [XBMC] Error while calling JSON RPC method "System.GetInfoLabels"
    JsonRpcErrorException: Method not found.
            at XBMC.JsonRpc.JsonRpcClient.parseError(JObject error)
   at XBMC.JsonRpc.JsonRpcClient.parseResponse(StreamReader reader)
   at XBMC.JsonRpc.JsonRpcClient.Call(String method, Object args)
5-3-2012 22:36:26 [XBMC] System.GetInfoLabels(System.Time(hh), System.Time(mm), System.Time(ss)): invalid response
5-3-2012 22:36:26 [XBMC] Could not get current time
    KeyNotFoundException: The given key was not present in the dictionary.
            at System.ThrowHelper.ThrowKeyNotFoundException()
   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   at iMon.XBMC.XbmcHandler.xbmcConnected(Object sender, EventArgs e)
5-3-2012 22:36:26 [XBMC] {
  "code": -32601,
  "message": "Method not found."
}
5-3-2012 22:36:26 [XBMC] Error while calling JSON RPC method "System.GetInfoLabels"
    JsonRpcErrorException: Method not found.
            at XBMC.JsonRpc.JsonRpcClient.parseError(JObject error)
   at XBMC.JsonRpc.JsonRpcClient.parseResponse(StreamReader reader)
   at XBMC.JsonRpc.JsonRpcClient.Call(String method, Object args)
5-3-2012 22:36:26 [XBMC] System.GetInfoLabels(System.BuildVersion): invalid response
5-3-2012 22:36:26 [XBMC] {
  "code": -32601,
  "message": "Method not found."
}
5-3-2012 22:36:26 [XBMC] Error while calling JSON RPC method "System.GetInfoLabels"
    JsonRpcErrorException: Method not found.
            at XBMC.JsonRpc.JsonRpcClient.parseError(JObject error)
   at XBMC.JsonRpc.JsonRpcClient.parseResponse(StreamReader reader)
   at XBMC.JsonRpc.JsonRpcClient.Call(String method, Object args)
5-3-2012 22:36:26 [XBMC] System.GetInfoLabels(System.BuildDate): invalid response