@EventHandler public void onClose(InventoryCloseEvent e) { if (Variables.enchanting.containsKey(e.getPlayer().getUniqueId())) Variables.enchanting.remove(e.getPlayer().getUniqueId()); if (Variables.backpack.containsKey(e.getPlayer().getUniqueId())) { ((Player) e.getPlayer()).playSound(e.getPlayer().getLocation(), Sound.HORSE_ARMOR, 1F, 1F); Backpacks.saveBackpack(e.getInventory(), Variables.backpack.get(e.getPlayer().getUniqueId())); Variables.backpack.remove(e.getPlayer().getUniqueId()); } }