Çözüldü Player Tracker Yapamıyorum !

package org;

import java.util.Collection;

import org.Compass.Compass;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.Sound;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.SkullMeta;
import org.bukkit.plugin.java.JavaPlugin;

import static org.bukkit.Material.getMaterial;

public final class Main extends JavaPlugin implements Listener{

 Compass compass1 = new Compass();

 @Override
    public void onEnable() {
 Bukkit.getConsoleSender().sendMessage(ChatColor.GREEN+"Player Tracker Aciliyor...");
 getServer().getPluginManager().registerEvents(this, this);

 getCommand("pusula").setExecutor(new Compass());
    }

  @EventHandler()
 public void onClick(PlayerInteractEvent event) {
 if ((event.getAction().equals(Action.RIGHT_CLICK_AIR))
 && event.getPlayer().getInventory().getItemInMainHand().getType().equals(getMaterial(ChatColor.GOLD+"Özel Pusula"))) {
            event.getPlayer().openInventory(createTrackerMenu(event.getPlayer()));
        }
    }
  @EventHandler()
 public void onItemClick(InventoryClickEvent event) {
 if (event.getWhoClicked().getInventory().getItemInMainHand().getType().equals(getMaterial(ChatColor.GOLD+"Özel Pusula"))) {
            Player player = ((SkullMeta) event.getCurrentItem().getItemMeta()).getOwningPlayer().getPlayer();
            ((Player) event.getWhoClicked()).setCompassTarget(player.getLocation());
            event.getWhoClicked().getLocation().getWorld().playSound(event.getWhoClicked().getLocation(),
 Sound.BLOCK_NOTE_BLOCK_PLING, 1, 1);
 event.setCancelled(true);
        }
    }
 public Inventory createTrackerMenu(Player player) {
 Collection<? extends Player> players = Bukkit.getOnlinePlayers();
  int inventorySize;
 if (players.size() <= 9) {
 inventorySize = 9;
 } else {
 inventorySize = (int) (Math.ceil(players.size() / 9) * 9);
        }
 Inventory compassgui = Bukkit.createInventory(null, inventorySize, ChatColor.BLACK + "Bir Oyuncu Seç!");
  for (Player onlinePlayer : players) {
  if (!onlinePlayer.equals(player)) {
                compassgui.addItem(createPlayerItem(onlinePlayer));
            }
        }
  return compassgui;
    }

 public ItemStack createPlayerItem(Player player) {
 ItemStack item = new ItemStack(Material.PLAYER_HEAD);
        SkullMeta skullMeta = (SkullMeta) item.getItemMeta();
        skullMeta.setDisplayName(player.getDisplayName());
        skullMeta.setOwningPlayer(player);
        item.setItemMeta(skullMeta);
  return item;
    }


}

package org.Compass;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.jetbrains.annotations.NotNull;

import java.util.ArrayList;

public class Compass implements CommandExecutor {

 @Override
    public boolean onCommand([USER=123594]@NotNull[/USER] CommandSender commandSender, [USER=123594]@NotNull[/USER] Command command, [USER=123594]@NotNull[/USER] String s, [USER=123594]@NotNull[/USER] String[] strings) {

 if (commandSender instanceof Player) {
            Player player = (Player) commandSender;

 int slot = 0;
 ItemStack compass = new ItemStack(Material.COMPASS);
            ItemMeta compassmeta = compass.getItemMeta();
 compassmeta.setDisplayName(ChatColor.GOLD + "Özel Pusula!");

 ArrayList<String> lore = new ArrayList<>();
 lore.add(" ");
 lore.add(ChatColor.GREEN + "Player Tracker!");
 lore.add(" ");
 lore.add(ChatColor.RED + "By Wrandex");

 Inventory compassgui = Bukkit.createInventory(null, 9, ChatColor.BLACK + "Bir Oyuncu Seç!");

 if (player.getInventory().getItem(0) == null || player.getInventory().getItem(0).getType() == Material.AIR) {
                player.getInventory().setItem(slot, compass);
 } else {
 player.sendMessage(ChatColor.YELLOW + "İlk Slotunu Boşalt!");
            }
        }
  return true;
    }
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