Realm update Problem

EditProfileActivity.java

private void addOnFirebase(){
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        EmailPref = prefs.getString("EmailPref", EmailPref);
        DatabaseReference mFirebaseRef = FirebaseDatabase.getInstance().getReferenceFromUrl(constants.FIREBASE_URL + "rootssahaj/authGplus/users/students/" + EmailPref + "/profile");
        DatabaseReference mFirebaseRefHashnamePool = FirebaseDatabase.getInstance().getReferenceFromUrl(constants.FIREBASE_URL + "rootssahaj/authGplus/hashnamePool");


        String month=monthSelected;
        month=month.substring(0,3);
        Map<String, Object> statusChange = new HashMap<String, Object>();
        statusChange.put("userNAME",usernameString);
        statusChange.put("hashname", hashnameString);
        if (datePosition!=0)
        statusChange.put("birthday",dateSelected+" "+month);



        Realm realm2 = Realm.getInstance(realmConfig);
        final RealmResults<ToTal_ProfileModelRealmClass> result2 = realm2.where(ToTal_ProfileModelRealmClass.class)
                .equalTo("userEmailKey", EmailPref)
                .findAll();


            //ToTal_ProfileModelRealmClass toTal_profileModelRealmClass = result.get(0);

        ToTal_ProfileModelRealmClass toTal_profileModelRealmClass= new ToTal_ProfileModelRealmClass();
        toTal_profileModelRealmClass.setUserEmailKey(EmailPref);

        if (mTextViewQuote.getText().toString().length()!=0) {
            statusChange.put("quote", mTextViewQuote.getText().toString());
            toTal_profileModelRealmClass.setQuote(mTextViewQuote.getText().toString());
        }else
        toTal_profileModelRealmClass.setQuote(null);


        Log.e("SahajLOG18", "hashaname String "+hashnameString);

        if (datePosition!=0){
            toTal_profileModelRealmClass.setBirthday("Wish me on " + dateSelected + " " + month);
        }else
        toTal_profileModelRealmClass.setBirthday(null);

        if (yearPosition!=0) {
            toTal_profileModelRealmClass.setYear(yearSelected);
        }else
        toTal_profileModelRealmClass.setYear(result2.get(0).getYear());

        toTal_profileModelRealmClass.setHashname(hashnameString);
        toTal_profileModelRealmClass.setUserNAME(usernameString);
        toTal_profileModelRealmClass.setBranch(result2.get(0).getBranch());
        toTal_profileModelRealmClass.setCampus(result2.get(0).getCampus());
        toTal_profileModelRealmClass.setCourse(result2.get(0).getCourse());
        toTal_profileModelRealmClass.setGplusURL(result2.get(0).getGplusURL());
        toTal_profileModelRealmClass.setPicurl(result2.get(0).getPicurl());
        toTal_profileModelRealmClass.setPicOfflineName(result2.get(0).getPicOfflineName());
        toTal_profileModelRealmClass.setPicurl50DP(result2.get(0).getPicurl50DP());
        toTal_profileModelRealmClass.setUserEmail(result2.get(0).getUserEmail());

        realm2.beginTransaction();
        realm2.copyToRealmOrUpdate(toTal_profileModelRealmClass);
        realm2.commitTransaction();
        Realm realm = Realm.getInstance(realmConfig);
        final RealmResults<ToTal_ProfileModelRealmClass> result = realm.where(ToTal_ProfileModelRealmClass.class)
                .equalTo("userEmailKey", EmailPref)
                .findAll();


       // realm.beginTransaction();
       // ToTal_ProfileModelRealmClass totalPro= realm.createObject(ToTal_ProfileModelRealmClass.class);
      //  totalPro=result.get(0);
      //  realm.copyToRealmOrUpdate(totalPro);
      //  realm.commitTransaction();

        Log.e("SahajLOG18", "resultChecking "+result);

        if (yearPosition!=0)
        statusChange.put("year",yearSelected);

        Map<String, Object> HashnameAdd = new HashMap<String, Object>();
        HashnameAdd.put(hashnameString, EmailPref);

        mFirebaseRefHashnamePool.updateChildren(HashnameAdd);
        mFirebaseRef.updateChildren(statusChange);
        if (!PreviousHashname.equals(mTextViewHashName.getText().toString()))
        mFirebaseRefHashnamePool.child(PreviousHashname).removeValue();

        //finish();
    }