@EventHandler public void ItemMoveEvent(InventoryClickEvent event) { Inventory inv = event.getClickedInventory(); if (event.getClickedInventory() == null) { return; } if (!event .getClickedInventory() .getName() .equals(ChatColor.GREEN + "" + ChatColor.BOLD + "PLACE ITEMS BELOW")) { return; } trademanager.updateTradeInv((Player) event.getWhoClicked()); // trademanager.loadNewInv(inv.getViewers()); }