public void rollBack() {

    	for (ArenaVote votes : arenaVotes) {
    		votes.clear();
    	}
        final String name = this.world.getName();
        final Iterator iterator = Bukkit.getWorld(name).getPlayers().iterator();
        while (iterator.hasNext()) {
            ((Entity) iterator.next()).teleport(Bukkit.getWorlds().get(0).getSpawnLocation());
        }

        	Bukkit.unloadWorld(name, false);
        this.countdownTask.cancel();
        this.countdownTask = null;
        final File file = new File(name);
        final File file2 = new File("plugins/ComuSkywars/maps/" + name);
        try {
            Utils.copyDirectory(file2, file);
        }
        catch (Exception ex) {
            ex.printStackTrace();
            Logger.warn("Failed to copy world to arena '" + name + "'");
            return;
        }
        try {
            final WorldCreator worldCreator = new WorldCreator(name);
            worldCreator.generateStructures(false);
            final World world = worldCreator.createWorld();
            world.setAutoSave(false);
            world.setKeepSpawnInMemory(false);
            world.setAnimalSpawnLimit(0);
            world.setGameRuleValue("doMobSpawning", "false");
            world.setGameRuleValue("doDaylightCycle", "false");
            world.setGameRuleValue("mobGriefing", "false");
            world.setTime(0L);
            world.setStorm(false);
            world.setThundering(false);
            this.chests.clear();
            new BukkitRunnable() {
                public void run() {
                    for (final String s : Arena.this.config.getStringList("chests")) {
                        if (s.split(" : ").length > 5) {
                            Arena.this.chests.put(Utils.unserializeLocation(s), (Chest.getChest(s.split(" : ")[6]) == null) ? Chest.getChest("normal") : Chest.getChest(s.split(" : ")[6]));
                        }
                    }
                    Arena.access$19(Arena.this, world);
                    Arena.access$6(Arena.this, Enums.State.WAITING);
                    Arena.this.blocks.clear();
                    if (Arena.this.config.contains("schematic") && Arena.this.mode != Enums.Mode.SOLO) {
                        Arena.access$21(Arena.this, Utils.unserializeLocation(Arena.this.config.getString("schematic")));
                        Bukkit.getScheduler().runTaskLater((Plugin)Main.getPlugin(), (Runnable)new Runnable() {
                            @Override
                            public void run() {
                                Schematic.generateAsync(Arena.this.schematic, Arena.this.blocks);
                            }
                        }, 1L);
                    }
                }

            }.runTaskLaterAsynchronously((Plugin)Main.getPlugin(), 20L);

            Logger.info("§e§l>> §fMundo §b§n"+name.toString()+"§f cargado correctamente §8[§4ASYNC§8]");
        }

        catch (Exception ex2) {
            Logger.warn("Failed to generate world to arena '" + name + "'");
            ex2.printStackTrace();
        }
    }