مشکل در کد

[danital]

سلام معنی این ارور چی هست
https://drive.google.com/file/d/0BxPYJHfIjkb-VkVDY3NpREpLM28/view?usp=sharing
کلاسی که مشکل داره

package ir.da;

import android.app.ListActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;


public class season extends ListActivity {

private database db;
private String[] Name;
private String[] Teedad;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.season);
db = new database(this);

refresher();
setListAdapter(new AA());

}


class AA extends ArrayAdapter<String> {

public AA() {
super(season.this, R.layout.row_season, Name);

}


@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater in = getLayoutInflater();
View row = in.inflate(R.layout.row_season, parent, false);

TextView name = (TextView) row.findViewById(R.id.txtteedad);
TextView teedad = (TextView) row.findViewById(R.id.txtname1);

name.setText(Name[position]);
teedad.setText(Teedad[position]);

return (row);
}

}


private void refresher() {
db.open();
int save = db.shomarsh_field("datastorys", "season");
Name = new String[save];
Teedad = new String[save];

for (int i = 0; i < save; i++) {
Name[i] = db.namayesh_field("datastorys", i);
Teedad[i] = db.shomaresh_dastan("datastorys", Name[i].toString()) + "";
}
db.close();
}


private void refreher() {
db.open();
int save = db.shomarsh_field("datastorys", "season");
Name = new String[save];
Teedad = new String[save];
for (int i = 0; i < save; i++) {
Name[i] = db.namayesh_field("datastorys", i);
Teedad[i] = db.shomaresh_dastan("datastorys", Name[i].toString()) + "";
}
db.close();
}

}