Styjun

this is my code :

//
// Copyright 2015 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

// FirebaseDemo_ESP8266 is a sample that demo the different functions
// of the FirebaseArduino API.

#include <ESP8266WiFi.h>
#include <FirebaseArduino.h>



// Set these to run example.
#define FIREBASE_HOST "EXAMPLE-12345.firebaseio.com"
#define FIREBASE_AUTH "secret"
#define WIFI_SSID "SSID"
#define WIFI_PASSWORD "PWD"

void setup() 
 Serial.begin(9600);

 // connect to wifi.
 WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
 Serial.print("connecting");
 while (WiFi.status() != WL_CONNECTED) 
 Serial.print(".");
 delay(500);
 
 Serial.println();
 Serial.print("connected: ");
 Serial.println(WiFi.localIP());

 Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);


int n = 0;

void loop() 
 // set value
 Firebase.setFloat("number", 42.0);
 // handle error
 if (Firebase.failed()) 
 Serial.print("setting /number failed:");
 Serial.println(Firebase.error());
 return;
 
 delay(1000);

 // update value
 Firebase.setFloat("number", 43.0);
 // handle error
 if (Firebase.failed()) 
 Serial.print("setting /number failed:");
 Serial.println(Firebase.error());
 return;
 
 delay(1000);

 // get value
 Serial.print("number: ");
 Serial.println(Firebase.getFloat("number"));
 delay(1000);

 // remove value
 Firebase.remove("number");
 delay(1000);

 // set string value
 Firebase.setString("message", "hello world");
 // handle error
 if (Firebase.failed()) 
 Serial.print("setting /message failed:");
 Serial.println(Firebase.error());
 return;
 
 delay(1000);

 // set bool value
 Firebase.setBool("truth", false);
 // handle error
 if (Firebase.failed()) 
 Serial.print("setting /truth failed:");
 Serial.println(Firebase.error());
 return;
 
 delay(1000);

 // append a new value to /logs
 String name = Firebase.pushInt("logs", n++);
 // handle error
 if (Firebase.failed()) 
 Serial.print("pushing /logs failed:");
 Serial.println(Firebase.error());
 return;
 
 Serial.print("pushed: /logs/");
 Serial.println(name);
 delay(1000);

and this is my error:

**Arduino: 1.8.5 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, 115200, 4M (3M SPIFFS)"

Build options changed, rebuilding all

In file included from C:UsersASUSDocumentsArduinolibrariesFirebaseArduinosrc/Firebase.h:30:0,
from C:UsersASUSDocumentsArduinolibrariesFirebaseArduinosrc/FirebaseArduino.h:22,
from C:UsersASUSDocumentsArduinolibrariesfirebase-arduino-masterexamplesFirebaseDemo_ESP8266FirebaseDemo_ESP8266.ino:21:
C:UsersASUSDocumentsArduinolibrariesFirebaseArduinosrc/FirebaseObject.h:109:11: error: StaticJsonBuffer is a class from ArduinoJson 5. Please see arduinojson.org/upgrade to learn how to upgrade your program to ArduinoJson version 6
std::shared_ptr> buffer_;
^

In file included from C:UsersASUSDocumentsArduinolibrariesFirebaseArduinosrc/FirebaseArduino.h:22:0,
from C:UsersASUSDocumentsArduinolibrariesfirebase-arduino-masterexamplesFirebaseDemo_ESP8266FirebaseDemo_ESP8266.ino:21:
C:UsersASUSDocumentsArduinolibrariesFirebaseArduinosrc/Firebase.h:86:11: error: StaticJsonBuffer is a class from ArduinoJson 5. Please see arduinojson.org/upgrade to learn how to upgrade your program to ArduinoJson version 6
std::shared_ptr> buffer_;
^

exit status 1
Error compiling for board NodeMCU 1.0 (ESP-12E Module).**

please help me!
thank you!