PlayerInteract

else {

                    byte[] serializedData = data.getPersistentDataContainer().get(new NamespacedKey(Backpack.getPlugin(), "backpack_id"), PersistentDataType.BYTE_ARRAY);

                    try {
                        player.openInventory(SerializationUtils.deserializeInventory(serializedData, player));
                    } catch (IOException e) {
                        System.out.println(e);
                    }


                }