需要c++默认构造函数，而不是已经用参数生成构造函数

好的，这与我之前关于链表的问题有关。我已经开始使用矢量而不是链表。错误C2512:"character"：没有合适的默认构造函数可用对于线路：字符pc；和character saveCharacter；我已经有了一个带参数的构造函数。我希望能够将这些保存到一个文件中。默认构造函数将一个空白字符串和两个零保存到文件中。我做错了什么。我的书没有给我一个明确的解释。

//character.h
#pragma once
#include <string>
#include <vector>
#include <ctime>
using namespace std;
class character
{
public:
    character(string newCharacterName, int newCharacterDamage, int newCharacterStability);
    ~character();
    void saveGame();
    string characterName;
    int characterDamage;
    int characterStability;
};
class characterTree
{
public:
    characterTree();
        const character& getRandomStartPC()
    {
        srand (time(0));
        int index = rand() % characters.size();
        return characters[index];
    }
    void generateStartingPC();
private:
    vector<character> characters;
};
//character.cpp
#include "character.h"
#include <iostream>
#include <fstream>
#include <ctime>
using namespace std;
void genStartPC();
void runMainMenu();
character pc;
character saveCharacter;
characterTree playerCharacters;
character::character(string newCharacterName, int newCharacterDamage, int newCharacterStability)
    : characterName(newCharacterName), characterDamage(newCharacterDamage), characterStability(newCharacterStability)
{
};
character::~character()
{
};
characterTree::characterTree()
{
    character character1("a small rusty axe", 2, 4);
    characters.push_back(character1);
    character character2("a broken table leg", 2, 4);
    characters.push_back(character2);
    character character3("a cracked tarnised walking stick", 2, 4);
    characters.push_back(character3);
    character character4("a blunted mace with missing spikes", 2, 4);
    characters.push_back(character4);
    character character5("a dented tin cup", 2, 4);
    characters.push_back(character5);
    character character6("a smelly old shoe", 2, 4);
    characters.push_back(character6);
    character character7("a length of rope", 2, 4);
    characters.push_back(character7);
    character character8("a broken wine bottle", 2, 4);
    characters.push_back(character8);
    character character9("a dented candlestick", 2, 4);
    characters.push_back(character9);
    character character10("a brunt frying pan", 2, 4);
    characters.push_back(character10);
}
void characterTree::generateStartingPC()
{
        const character & character = playerCharacters.getRandomStartPC();
        cout << "tYou are trapped within " << character.characterName << "." << endl;
        cout << "tIt has a damage rating of " << 
            character.characterDamage << " and a stability rating of " << 
            character.characterStability << ".";
        cout << endl;
}
void character::saveGame()
{
    cout << "tSave code goes here." << endl;
fstream saveFile;
cout << endl;   
        saveFile.open("save.dat");
        if (saveFile.is_open())
                for (int i = 0; i < 1; i++)
                {
                    saveFile << saveCharacter.characterName << endl;
                    saveFile << saveCharacter.characterDamage<< endl;
                    saveFile << saveCharacter.characterStability << endl;
                    cout << " Game Saved." << endl;
                    saveFile.close();
                }                   
            else
                cout << " Error. Unable to open file.";
                runMainMenu();
}
void genStartPC()
{
    playerCharacters.generateStartingPC();
}
void saveThisGame()
{
    pc.saveGame();
}