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[Error compiling]

guys, I need your help with my code if I miss anything
this is the error
[Error compiling for board NodeMCU 1.0 (ESP-12E Module]

#define BLYNK_PRINT Serial//// comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include <SimpleTimer.h>
#include <SoftwareSerial.h>
#include <OneWire.h>
#include <DallasTemperature.h>
char auth[] = "1748acab0e3c4c7baca832f4a9d9e3fb";

/* Wifi credentials */
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "ZONG MBB-E8231-6E63";
char pass[] = "electroniclinic";


SimpleTimer Timer;

#define ONE_WIRE_BUS 2 // DS18B20 on Arduino pin2 corresponds to D4 on physical board “D4 pin on the nodemcu Module”
OneWire oneWire (ONE_WIRE_BUS);
DallasTemperature DS18B20 (&oneWire);
float temp;
float Fahrenheit=0;
void setup ()
{
  Serial.begin (115200);
  Blynk.begin (auth, ssid, pass);
  DS18B20.begin ();
  Timer.setInterval (1000L, getSendData);
  Serial.println();
}
void loop ()
{
  Timer.run (); // Initiates SimpleTimer
  Blynk.run (); 
}
/**************************************************************************
*Send sensor data to Blynk
**************************************************************************/
void getSendData ()
{
  //DS18B20.requestTemperature ();
  float temp = DS18B20.getTempCByIndex (0); //Celcius
  float Fahrenheit = DS18B20.toFahrenheit (temp); //Fahrenheit
  Serial.println (temp);
  Serial.println (Fahrenheit);
  Blynk.virtualWrite (V3, temp); //virtual pin V3
  Blynk.virtualWrite (V4, Fahrenheit); //virtual pin V4
}

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