На сервере не ломается броня(В одиночке ломается)

Версия Minecraft
1.7.10
API
Forge
Java:
public class Items {
    public static Item xHelmetpnv;
    public static Item xChest;
    public static Item xLeggins;
    public static Item xBoots;
    
    public static void registerItems() {
        xHelmetpnv = (Item) new XHelmetPNV(2302, XARMORMATERIAL, 0, 0);
        xChest = (Item) new Chest(2303, XARMORMATERIAL, "Prototype X407 Chest", "X407Chest", "X407");
        xLeggins = (Item) new Leggins(2304, XARMORMATERIAL, "Prototype X407 Leggins", "X407Legs", "X407");
        xBoots = (Item) new Boots(2305, XARMORMATERIAL, "Prototype X407 Boots", "X407Boots", "X407");
        GameRegistry.registerItem(xHelmetpnv, "xHelmetpnv");
        GameRegistry.registerItem(xChest, "X407Chest");
        GameRegistry.registerItem(xLeggins, "X407Legs");
        GameRegistry.registerItem(xBoots, "X407Boots");
   }
    static {
        XARMORMATERIAL = EnumHelper.addArmorMaterial("XARMORMATERIAL", 70, (int[]) new int[] { 3, 8, 5, 3 }, 1);
    }
}

Класс XHelmet:
public class XHelmetPNV extends ItemArmor {
    public XHelmetPNV(final int n, final ItemArmor.ArmorMaterial anxb2, final int n2, final int n3) {
        super(anxb2, n2, n3);
        this.setCreativeTab(Tabs.KrylexArmor);
        this.setUnlocalizedName("X407Head");
        LanguageRegistry.addName((Object) this, "Prototype X407 Helmet");
    }

    @SideOnly(Side.CLIENT)
    public void registerIcons(final IIconRegister mqnk2) {
        this.itemIcon = mqnk2.registerIcon("kent1ch:X407Head");
    }

    public void onArmorTick(final World twca2, final EntityPlayer player, final ItemStack cucj2) {
        if (twca2.isRemote) {
            player.addPotionEffect(new PotionEffect(Potion.nightVision.id, 1));
        }
    }

    public String getArmorTexture(final ItemStack itemstack, final Entity entity, final int slot, final String type) {
        return "kent1ch:textures/armor/X407_1.png";
    }
}
 
Сверху