Исправить ошибку 'ios::basic_ios(const ios &)' is not accessible

//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <iostream>
#include <fstream>
#include <string>
#pragma hdrstop
 
using namespace std;
 
const char mainkey[] = "R}?j~6bR+(LAL0\\2S8jc8>bx~6YGIgW0cRGZz6tm.p.N9/<Vy";
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
class record
{
private:
    string xorcrypt(string str, string key)
    {
        char* retval = new char[str.length() + 1];
        for (int i = 0; i < str.length(); i++)
            retval[i] = str[i] ^ key[i % key.length()];
        retval[str.length()] = 0;
        return retval;
    }
 
    bool crypt()
    {
        site = xorcrypt(site, key);
        nick = xorcrypt(nick, key);
        email = xorcrypt(email, key);
        login = xorcrypt(login, key);
        pass = xorcrypt(pass, key);
        info = xorcrypt(info, key);
        return true;
    }
 
public:
    string site;
    string nick;
    string email;
    string login;
    string pass;
    string info;
 
    string key;
 
    bool SaveToFile(ofstream stream)
    {
        crypt();
        stream << "|" << site
               << "|" << nick
               << "|" << email
               << "|" << login
               << "|" << pass
               << "|" << info
               << "|" << endl;
        return true;
    }
 
    bool LoadFromFile(ifstream stream)
    {
        string str;
        getline(stream, str);
        sscanf(str.c_str(), "|%s|%s|%s|%s|%s|%s|", site, nick, email, login, pass, info);
        return true;
    }
};
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
    record rec;
    rec.site = "google.ru";
    rec.nick = "tester";
    rec.email = "test@gmail.com";
    rec.login = "tester";
    rec.pass = "1234";
    rec.info = "google accaunt";
    rec.key = mainkey;
    ofstream stream("test.txt");
    rec.SaveToFile(stream);
}
//---------------------------------------------------------------------------

bool SaveToFile(ofstream &stream)