AdvancedGeologyItem

package com.github.enrzhy.AdvancedGeology.items;

import net.minecraft.item.Item;

import com.github.enrzhy.AdvancedGeology.help.Reference;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class AdvancedGeologyItem extends Item {

	public AdvancedGeologyItem()
	{
		super();
		setCreativeTab(CreativeTabs.tabMaterials);
	}

	@SideOnly (Side.CLIENT)
	@Override
	public void registerIcons(IIconRegister par1IconRegister) //Error under "IIconRegister." 6 quick fixes available: create class, interface, type perimeter or enum 'IIconRegister', or fix project setup.
	{
		itemIcon = par1IconRegister.registerIcon(Reference.MODID + ":" + getUnlocalizedName().substring(5)); //Error under "itemIcon." 4 quick fixes available: create local variable, field, or perimeter 'itemIcon', or remove assignment
	}

}