В чём причина возникновения TypeInitializationException? - C#

static class Game
    {
        public static World w1 = new World();
 
        public static Player player = w1.player;
 
        public static bool bool_game {
            get {
                return player.alive;
            }
 
            set {
                bool_game = value;
            }
        }
 
        public static ConsoleKeyInfo key;
 
        public static ItemCharact[] items = {
            new ItemCharact ("Посох огня", 50, false, 1, "other", new SpellCircle ())
        };
 
        //----------
 
        public static void Main ()
        {
            try
            {
            Console.ReadKey ();
            Console.SetWindowSize (85, 43);
 
            charactChoose ();
 
            while (bool_game) {
 
                Console.Clear ();
                w1.showLevel ();
 
                key = new ConsoleKeyInfo ();
                key = Console.ReadKey ();
                UseKey (w1, key);
 
                w1.everyTime ();
 
            }
 
            Console.WriteLine ("You're dead. Lol.");
            Console.ReadKey ();
            }
            catch (TypeInitializationException ex)
            {
                Console.WriteLine(ex.InnerException);
            }
        }
 
        public static void UseKey (World w, ConsoleKeyInfo usingKey) // выполняет действие, соответствующее символу char
        {
            switch (usingKey.Key)
            {
            case ConsoleKey.W:
                w.player.ChangeCell (w.player.x, w.player.y - 1);
                break;
 
            case ConsoleKey.A:
                w.player.ChangeCell (w.player.x - 1, w.player.y);
                break;
 
            case ConsoleKey.S:
                w.player.ChangeCell (w.player.x, w.player.y + 1);
                break;
 
            case ConsoleKey.D:
                w.player.ChangeCell (w.player.x + 1, w.player.y);
                break;
 
            case ConsoleKey.F:
                SpellCircle s = new SpellCircle (player, w1);
                s.FirstUse ();
                break;
 
            case ConsoleKey.I:
                player.it.Use ();
                break;
            }
        }
 
        public static void charactChoose ()
        {
            ConsoleKey k = ConsoleKey.Q;
            int freePoints = 20;
            int cursor = 0;
 
            while (k != ConsoleKey.Enter || !(freePoints <= 0)) {
                Console.Clear ();
                Console.ResetColor ();
 
                int i = 0;
 
                foreach (string prof in player.profs) {
                    if (cursor == i) {
                        Console.Write (" > {0}", prof);
                    } else {
                        Console.Write ("   {0}", prof);
                    }
 
                    switch (i) {
                    case 0:
                        Console.WriteLine (" < {0} > ", player.pclnow);
                        break;
 
                    case 1:
                        Console.WriteLine (" < {0} > ", player.rcenow);
                        Console.WriteLine ("");
                        Console.WriteLine ("\tХарактеристики:");
                        break;
 
                    case 2:
                        Console.WriteLine (" < {0} > ", player.strenght);
                        break;
 
                    case 3:
                        Console.WriteLine (" < {0} > ", player.skill);
                        break;
 
                    case 4:
                        Console.WriteLine (" < {0} > ", player.magic);
                        Console.WriteLine ("");
                        break;
 
                    case 5:
                        Console.WriteLine (" < {0} > ", player.killer);
                        break;
 
                    case 6:
                        Console.WriteLine (" < {0} > ", player.hunter);
                        break;
 
                    case 7:
                        Console.WriteLine (" < {0} > ", player.healer);
                        Console.WriteLine ("");
                        break;
 
                    case 8:
                        Console.WriteLine (" < {0} > ", player.miner);
                        break;
 
                    case 9:
                        Console.WriteLine (" < {0} > ", player.blacksmith);
                        break;
 
                    case 10:
                        Console.WriteLine (" < {0} > ", player.enchanter);
                        Console.WriteLine ("");
                        break;
 
                    case 11:
                        Console.WriteLine (" < {0} > ", player.blackmage);
                        break;
 
                    case 12:
                        Console.WriteLine (" < {0} > ", player.whitemage);
                        break;
 
                    case 13:
                        Console.WriteLine (" < {0} > ", player.othermage);
                        Console.WriteLine ("");
                        break;
 
                    case 14:
                        Console.WriteLine (" < {0} > ", player.carpenter);
                        Console.WriteLine ("\n Осталось очков навыков: {0}" + 
                            "\n\n W - вверх" +
                            "\n S - вниз" +
                            "\n A - уменьшить количество очков" +
                            "\n D - увеличить количество очков" +
                            "\n\n [Enter] - выйти" +
                            "\n Выйти можно, когда все очки будут распределены по навыкам", freePoints);
                        break;
                    }
                    i++;
                }
 
                k = Console.ReadKey ().Key;
 
                switch (k) {
                case ConsoleKey.S:
                case ConsoleKey.DownArrow:
                    cursor = (cursor + 1) % player.profs.Length;
                    break;
 
                case ConsoleKey.W:
                case ConsoleKey.UpArrow:
                    cursor--;
                    if (cursor < 0)
                        cursor = player.profs.Length - 1;
                    break;
 
                case ConsoleKey.D:
                case ConsoleKey.RightArrow:
                    if (freePoints > 0) {
 
                        if (cursor == 0) {
                            player.pclass++;
                        } else if (cursor == 1) {
                            player.race++;
                        } else {
                            freePoints--;
                            unsafe {
                                int* d = player.GetCharactVar (cursor);
                                (*d)++;
                            }
                        }
                    }
                    break;
 
                case ConsoleKey.A:
                case ConsoleKey.LeftArrow:
                    unsafe {
                        if (cursor == 0) {
                            player.pclass--;
                        } else if (cursor == 1) {
                            player.race--;
                        } else {
                            int* b = player.GetCharactVar (cursor);
 
                            if (*b > 0) {
 
                                freePoints++;
                                (*b)--;
                            }
                        }
                    }
                    break;
 
                case ConsoleKey.F1:
                    player.strenght += 5;
                    player.skill += 10;
                    player.magic += 5;
                    return;
                }
            }
        }
    }