Hi guys, im developing a shop plugin for my server and when i run the plugin and click the item in the gui, appears an error in console telling me there is an error at line 60 (r = econ.withdrawPlayer(nick, 100) but intellij doesn't report any error. there is the code: Code: public class Events implements Listener { private Plugin plugin = DecoiledShop.getPlugin(DecoiledShop.class); public static Economy econ = null; public static EconomyResponse r; private boolean setupEconomy() { if (getServer().getPluginManager().getPlugin("Vault") == null) { return false; } RegisteredServiceProvider<Economy> rsp = getServer().getServicesManager().getRegistration(Economy.class); if (rsp == null) { return false; } econ = rsp.getProvider(); return econ != null; } @EventHandler public void InvClick(InventoryClickEvent invclick){ Player player = (Player) invclick.getWhoClicked(); ClickType click = invclick.getClick(); Inventory inv = invclick.getClickedInventory(); ItemStack item = invclick.getCurrentItem(); if(inv == null){ return; } if(inv.getName().equals("§d§lSHOP")){ invclick.setCancelled(true); if(item.equals(null) || !item.hasItemMeta()){ return; } if(item.getItemMeta().getDisplayName().equals("§bSpada in Diamante")){ player.closeInventory();String nick = player.getName(); r = econ.withdrawPlayer(nick, 100); if (r.transactionSuccess()) { player.sendMessage("§aHai comprato una §dspada in diamante§a."); final Inventory inventory = player.getInventory(); inventory.addItem(new ItemStack(Material.DIAMOND, 1)); }else{ player.sendMessage("§cNon hai i soldi necessari"); } } } } }