Reference error -_- Annoyed please help

Okay so I am following a tutorial and yet again in the tutorial the guy jumped past the part where he fixed an error and now i am stuck trying to solve it. I am stuck and can't seem to figure out the next step on how to fix this error. (scripting is not my favorite) Any help is appreciated thanks. Here the errors:

NullReferenceException: Object reference not set to an instance of an object GameSettings.SaveCharacterData () (at Assets/Game Data/Player Data/Scripts/Character Stats/GameSettings.cs:24) CharacterGenerator.DisplayCreateButton () (at Assets/Game Data/Player Data/Scripts/Character Stats/CharacterGenerator.cs:116) CharacterGenerator.OnGUI () (at Assets/Game Data/Player Data/Scripts/Character Stats/CharacterGenerator.cs:52)

Heres my Codes.

CHARACTERGENERATOR

 using UnityEngine;
 using System.Collections;
 using System;
 
 public class CharacterGenerator : MonoBehaviour 
 {
 
     private PlayerCharacter _player;
     private const int Talent_Points = 25;
     private const int Minimum_Starting_Attribute_Value = 15;
     private const int Starting_Value = 25;
     private int pointsLeft;
 
     public Texture2D cgTexture;
     public GUIStyle nbStyle;
     public GUIStyle pbStyle;
     public GUIStyle bgStyle;
     public GUIStyle tbStyle;
 
     public GUISkin gameSkin;
 
     public GameObject playerPrefab;
 
     void Start()
     {
         GameObject pc = Instantiate(playerPrefab, Vector3.zero, Quaternion.identity) as GameObject;
         pc.name = "Character";
         _player = pc.GetComponent<PlayerCharacter>();
         _player.Awake();
         pointsLeft = Talent_Points;
         for(int cnt = 0; cnt < Enum.GetValues(typeof(AttributeName)).Length; cnt++)
             {
                 _player.GetPrimaryAttributes(cnt).BaseValue = Minimum_Starting_Attribute_Value;
             }
         _player.StatUpdate();
     }
 
     void Update()
     {
         //_player.StatUpdate();
     }
 
 
     void OnGUI()
     {
         GUI.skin = gameSkin;
         DisplayName();
         DisplayPointsLeft();
         DisplayAttributes();
         DisplayVitals();
         DisplaySkills();
         DisplayCreateButton();
     }
     private void DisplayName()
     {
         GUI.Label(new Rect(10, 10, 50, 25), "Name:");
         _player.Name = GUI.TextField(new Rect(65, 10, 250, 50), _player.Name, 14);
     }
 
     private void DisplayAttributes()
     {
         for(int cnt = 0; cnt < Enum.GetValues(typeof(AttributeName)).Length; cnt++)
         {
             GUI.Label (new Rect(10, 75 +(cnt * 30), 100, 25), ((AttributeName)cnt).ToString() );
             GUI.Label (new Rect(115, 75 +(cnt * 30), 30, 25), _player.GetPrimaryAttributes(cnt).AdjustedBaseValue.ToString() );
             if(GUI.Button(new Rect(165, 75 + (cnt * 30), 25, 25), " ", nbStyle))
             {
                 if(_player.GetPrimaryAttributes(cnt).BaseValue > Minimum_Starting_Attribute_Value)
                 {
                     _player.GetPrimaryAttributes(cnt).BaseValue--;
                     pointsLeft ++;
                     _player.StatUpdate();
                 }
             }
             if(GUI.Button(new Rect(195, 75 + (cnt * 30), 25, 25), " ", pbStyle))
             {
                 if(pointsLeft > 0)
                 {
                     _player.GetPrimaryAttributes(cnt).BaseValue++;
                     pointsLeft --;
                     _player.StatUpdate();
                 }
             }
         }
     }
 
     private void DisplayVitals()
     {
         for(int cnt = 0; cnt < Enum.GetValues(typeof(VitalName)).Length; cnt++)
         {
             GUI.Label (new Rect(225, 75 +(cnt * 40), 100, 25), ((VitalName)cnt).ToString() );
             GUI.Label (new Rect(340, 75 +(cnt * 40), 30, 25), _player.GetVitals (cnt).AdjustedBaseValue.ToString() );
         }
     }
 
     private void DisplaySkills()
     {
         for(int cnt = 0; cnt < Enum.GetValues(typeof(SkillName)).Length; cnt++)
         {
             GUI.Label (new Rect(415, 75 +(cnt * 40), 100, 25), ((SkillName)cnt).ToString() );
             GUI.Label (new Rect(530, 75 +(cnt * 40), 30, 25), _player.GetSkills (cnt).AdjustedBaseValue.ToString() );
         }
     }
 
     private void DisplayPointsLeft()
     {
         GUI.Label(new Rect(350, 10, 125, 25), "Points Left: " + pointsLeft.ToString());
     }
     private void DisplayCreateButton()
     {
         if(GUI.Button(new Rect(100, 500, 125, 35), "Create"))
         {
 
             GameSettings gsScript = GameObject.Find ("GameSettings").GetComponent<GameSettings>();
 
             gsScript.SaveCharacterData();
 
             Application.LoadLevel("DireQuest Game");
         }
     }
 }

GAMESETTINGS

 using UnityEngine;
 using System.Collections;
 
 public class GameSettings : MonoBehaviour {
 
     // Use this for initialization
     void Awake()
     {
         DontDestroyOnLoad(this);
     }
     void Start () {
     
     }
     
     // Update is called once per frame
     void Update () {
     
     }
 
     public void SaveCharacterData()
     {
         GameObject pc = GameObject.Find("pc");
 
         PlayerCharacter pcClass = pc.GetComponent<PlayerCharacter>();
 
         PlayerPrefs.SetString("PlayerName", pcClass.Name);
     }
 
     public void LoadCharacterData()
     {
 
     }
 }

Sorry for the length. Thanks again!