Hello, I have this code but when I ran it it puts me all the time "File not writing" and we can not see any error in the code

#include <SPI.h> //Library for SPI communication (Pre-Loaded into Arduino)
#include <SD.h> //Library for SD card (Pre-Loaded into Arduino)
#include <SFE_BMP180.h>
#include <Wire.h>
#include <SoftwareSerial.h>
#include <TinyGPS.h>

SFE_BMP180 bmp180;
TinyGPS gps;
SoftwareSerial serialgps (4,3);
const int chipSelect = 10; //SD card CS pin connected to pin 4 of Arduino

int year;
byte month, day, hour, minute, second, hundredths;
unsigned long chars;
unsigned short sentences, failed_checksum;

void setup()
{
  // Setup Serial connection
  Serial.begin(9600);
  //Setup GPS
  serialgps.begin(9600);
  Serial.println("");
  Serial.println("GPS NEO6MV");
  Serial.println("Buscando señal...");
  Serial.println("");
  
  //CODI SD
  pinMode(chipSelect, OUTPUT);
  Initialize_SDcard();
  
  //CODI BMP180
  if (bmp180.begin())
    Serial.println("BMP180 iniciado correctamenten");
  else
  {
    Serial.println("Error al iniciar el BMP180");
    while(1); // bucle infinito
  }
}

void loop()
{
  //CODI GPS
  while(serialgps.available())
  {
    int c = serialgps.read();
    if (gps.encode(c))
    {
      float latitude, longitude;
      File dataFile = SD.open("Datos.txt", FILE_WRITE);
      if (dataFile)
      {
        gps.f_get_position(&latitude, &longitude);
        
        Serial.print("Latitud/Longitud: ");
        dataFile.print("Latitud/Longitud: ");
        Serial.print(latitude, 5);
        dataFile.print(latitude, 5);
        Serial.print(", ");
        dataFile.print(", ");
        Serial.println(longitude, 5);
        dataFile.println(longitude, 5);
        
        gps.crack_datetime(&year,&month,&day,&hour,&minute,&second,&hundredths);
        Serial.print("Fecha: "); Serial.print(day, DEC); Serial.print("/");
        Serial.print(month, DEC); Serial.print("/"); Serial.println(year); 
        
        Serial.print("Hora: "); Serial.print(hour, DEC); Serial.print(":");
        dataFile.print("Hora: "); dataFile.print(hour, DEC); dataFile.print(":");
        Serial.print(minute,DEC); Serial.print(":"); Serial.print(second,DEC);
        dataFile.print(minute,DEC); dataFile.print(":"); dataFile.print(second,DEC);
        Serial.print("."); Serial.println(hundredths,DEC);
        dataFile.print("."); dataFile.println(hundredths,DEC);

        Serial.print("Altitud (metros): "); Serial.println(gps.f_altitude());
        dataFile.print("Altitud (metros): "); dataFile.println(gps.f_altitude());
        
        Serial.print("Rumbo (grados): "); Serial.println(gps.f_course());
        dataFile.print("Rumbo (grados): "); dataFile.println(gps.f_course());

        Serial.print("Velocidad (kmph): "); Serial.println(gps.f_speed_kmph());
        dataFile.print("Velocidad (kmph): "); dataFile.println(gps.f_speed_kmph());

        Serial.print("Satelites: "); Serial.println(gps.satellites());
        dataFile.print("Satelites: "); dataFile.println(gps.satellites());

        Serial.println();
        dataFile.println();
        gps.stats(&chars, &sentences, &failed_checksum);
        dataFile.close(); //Close the file
      }
    }
  }

  char status;
  double T,P;

  status = bmp180.startTemperature();//Inicio de lectura de temperatura
  if (status != 0)
  {   
    delay(status); //Pausa para que finalice la lectura
    status = bmp180.getTemperature(T); //Obtener la temperatura
    if (status != 0)
    {
      status = bmp180.startPressure(3); //Inicio lectura de presión
      if (status != 0)
      {        
        delay(status);//Pausa para que finalice la lectura        
        status = bmp180.getPressure(P,T); //Obtenemos la presión
        if (status != 0)
        {
          File dataFile = SD.open("Datos.txt", FILE_WRITE);
          if (dataFile)
          {
            Serial.print("Temperatura: ");
            dataFile.print("Temperatura: ");

            Serial.print(T,2);
            dataFile.print(T,2);

            Serial.print(" *C , ");
            dataFile.print(" *C , ");

            Serial.print("Presion: ");
            dataFile.print("Presion: ");

            Serial.print(P,2);
            dataFile.print(P,2);

            Serial.println(" mb");          
            dataFile.println(" mb");

            dataFile.close();
          }
          else
          {
            Serial.println("File not writing");
          }
        }      
      }      
    }   
  }
  delay(1000);     //Wait for 5 seconds before writing the next data 
}

void Initialize_SDcard()
{
  // see if the card is present and can be initialized:
  if (!SD.begin(chipSelect))
  {
    Serial.println("Card failed, or not present");
    // don't do anything more:
    return;
   }
   Serial.println("Card present");
   // open the file. note that only one file can be open at a time,
   // so you have to close this one before opening another.
   File dataFile = SD.open("Datos.txt", FILE_WRITE);
   // if the file is available, write to it:
   if (dataFile)
   {
    dataFile.println("Datos:"); //Write the first row of the excel file
    dataFile.close();
    Serial.println("File writing");
   }
   else
   {
    Serial.println("File not writing");
   }
}

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