Help About Unity3d Tutorial - Base Character Class Hack and Slash Tutorial

I am using 3.3 Unity

i got a bunch of errors appearing on the console it says 1. VitalName could not be found 2. The best overloaded method match for System.Enum.GetValues(System.Type)' has some invalid arguments 3. Argument #1' cannot convert object' expression to type System.Type' 4. Also the SkillName have the same Error as 1-3

 using UnityEngine;
 using System.Collections;
 using System;    //added to acces the enum class
 
 public class BaseCharacter : MonoBehaviour {
 private string _name;
 private int _level;
 private uint _freeExp;
 
 private Attribute[] _primaryAttribute;
 private Vital[] _vital;
 private Skill[] _skill;
 
 public void Awake() {
 _name = string.Empty;
 _level = 0;
 _freeExp = 0;   
 
 _primaryAttribute = new Attribute[Enum.GetValues(typeof(AttributeName)).Length];
 _vital = new Vital[Enum.GetValues(typeof(VitalName)).Length];
 _skill = new Skill[Enum.GetValues(typeof(SkillName)).Length];
 
 SetupPrimaryAttributes();
 SetupVitals();
 SetupSkills();
 }
 
 public string Name {
 get{ return _name; }
 set{ _name = value; }
 }
 
 public int Level {
 get{ return _level; }
 set{ _level = value; }
 }
 
 public uint FreeExp {
 get{ return _freeExp; }
 set{ _freeExp = value; }
 }
 
 public void AddExp(uint exp) {
 _freeExp += exp;
 
 CalculateLevel();
 }
 
 //take avg of all the players skill and assign that as the player level
 public void CalculateLevel() {
 }
 
 private void SetupPrimaryAttributes() {
 for(int cnt = 0; cnt <_primaryAttribute.Length; cnt++) {
 _primaryAttribute[cnt] = new Attribute();
 }
 }
 
 private void SetupVitals() {
 for(int cnt = 0; cnt <_vital.Length; cnt++) {
 _vital[cnt] = new Vital();
 }
 }
 
 private void SetupSkills() {
 for(int cnt = 0; cnt <_skill.Length; cnt++) {
 _skill[cnt] = new Skill();
 }
 }
 
 public Attribute GetPrimaryAttribute(int index) {
 return _primaryAttribute[index];
 }
 public Vital GetVital(int index) {
 return _vital[index];
 }
 
 public Skill GetSkill(int index) {
 return _skill[index];
 }
 
 private void SetupVitalModifiers() {
 //health
 GetVital((int)VitalName.Health).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Constitution), .5f));
 //energy
 GetVital((int)VitalName.Energy).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Constitution), 1));
 }
 
 public void SetupSkillModifiers() {
 //melee offence
 GetSkill((int)SkillName.Melee_Offence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Might), .33f));
 GetSkill((int)SkillName.Melee_Offence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Nimbleness), .33f));
 //melee defence
 GetSkill((int)SkillName.Melee_Defence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Speed), .33f));
 GetSkill((int)SkillName.Melee_Defence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Constitution), .33f));
 //ranged offence
 GetSkill((int)SkillName.Ranged_Offence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Concentration), .33f));
 GetSkill((int)SkillName.Ranged_Offence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Speed), .33f));   
 //ranged defence
 GetSkill((int)SkillName.Ranged_Defence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Speed), .33f));
 GetSkill((int)SkillName.Ranged_Defence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Nimbleness), .33f));  
 //magic offence
 GetSkill((int)SkillName.Magic_Offence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Concentration), .33f));
 GetSkill((int)SkillName.Magic_Offence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.WillPower), .33f));   
 //magic defence
 GetSkill((int)SkillName.Magic_Defence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.Concentration), .33f));
 GetSkill((int)SkillName.Magic_Defence).AddModifier(new ModifyingAttribute(GetPrimaryAttribute((int)AttributeName.WillPower), .33f));  
 
 }
 
 public void StatUpdate() {
     
 for(int cnt = 0; cnt < _vital.Length; cnt++)
 _vital[cnt].Update();
 
 for(int cnt = 0; cnt < _skill.Length; cnt++)
 _skill[cnt].Update();
 
 }
 }