Error

package MiscBlocksAndItems.common;

import net.minecraft.item.EnumArmorMaterial;
import net.minecraft.item.ItemArmor;
import net.minecraft.item.ItemStack;
import net.minecraftforge.common.IArmorTextureProvider;

public class ObsidianArmor extends ItemArmor implements IArmorTextureProvider {

    public ObsidianArmor(int par1, EnumArmorMaterial par2EnumArmorMaterial,
            int par3, int par4) {
        super(par1, par2EnumArmorMaterial, par3, par4);
    }

    public String getTextureFile(){
        return "/MiscBlocksAndItems/Textures.png";
    }
    public String getArmorTextureFile(ItemStack itemstack) {
        if (itemstack.itemID == MiscBlocksAndItems.shiftedIndex || itemstack.itemID == MiscBlocksAndItems.ObsidianChestplate.shiftedIndex || itemstack.itemID == MiscBlocksAndItems.ObsidianBoots.shiftedIndex)
        {
            return "/MiscBlocksAndItems/Obsidian_1.png";
        }
        else if (itemstack.itemID == MiscBlocksAndItems.ObsidianLeggings.shiftedIndex)
        {
            return "/MiscBlcoksAndItems/Obsidian_2.png";
        }

        return null;
    }
}