[1.10.2] Localization Not Working?

[DJPGaming]

So I decided to start working on a new mod, but the item localization does not seem to be working. This is my items class with the one item.

package com.DJP.darkmattermod.init;

import com.DJP.darkmattermod.DMMod;
import com.DJP.darkmattermod.Reference;

import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.block.model.ModelResourceLocation;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.common.registry.GameRegistry;

public class DMItems {
public static Item lavastoneIngot;

public static void init(){
	lavastoneIngot = registerItem(new Item(), "lavastoneIngot").setUnlocalizedName("lavastoneIngot");
}

public static void registerRenders(){
	registerRender(lavastoneIngot);
}

public static void registerRender(Item item){
	Minecraft.getMinecraft().getRenderItem().getItemModelMesher().register(item, 0, new ModelResourceLocation(Reference.MODID + ":" + item.getUnlocalizedName().substring(5), "inventory"));
}





public static Item registerItem(Item item, String name){

	return registerItem(item, name, null);
}

public static Item registerItem(Item item, String name, CreativeTabs tab){
	GameRegistry.register(item, new ResourceLocation(Reference.MODID, name));
	return item;
}
}

Here is my localization file:

language.name=English
language.region=United States
language.code=en_US

item.lavastoneIngot.name=Lavastone Ingot

The localization is encoded with UTF-8. When I'm in the game, the item is named item.lavastoneIngot.name

I was wondering if anyone could help. Here are my other classes just in case you need them: Main mod class:

package com.DJP.darkmattermod;

import org.apache.logging.log4j.Logger;

import com.DJP.darkmattermod.proxy.CommonProxy;

import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.common.Mod.Instance;
import net.minecraftforge.fml.common.SidedProxy;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;

@Mod(modid = Reference.MODID, name = Reference.NAME, version = Reference.VERSION)
public class DMMod{
@SidedProxy(clientSide = Reference.CLIENTPROXY, serverSide = Reference.COMMONPROXY)
public static CommonProxy proxy;

@Instance
public static DMMod instance;

public static Logger logger;
   
    @EventHandler
    public void preInit(FMLPreInitializationEvent event){
	logger = event.getModLog();
    	proxy.preInit(event);
    }
    
@EventHandler
    public void init(FMLInitializationEvent event){   
	proxy.init(event);
    }
    
@EventHandler
    public void postInit(FMLPostInitializationEvent event){
	proxy.postInit(event);
    }
}

Common Proxy:

package com.DJP.darkmattermod.proxy;

import net.minecraft.item.Item;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;

public class CommonProxy {
    public void preInit(FMLPreInitializationEvent event){
    }
    
    public void init(FMLInitializationEvent event){   
    }
    
    public void postInit(FMLPostInitializationEvent event){
    }
    
    public void registerItemSided(Item item){
    	
    }
}

Client Proxy:

package com.DJP.darkmattermod.proxy;


import com.DJP.darkmattermod.init.DMItems;

import net.minecraft.item.Item;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;

public class ClientProxy extends CommonProxy{
@Override
    public void preInit(FMLPreInitializationEvent event){
	super.preInit(event);
	DMItems.init();
    }
    
@Override
    public void init(FMLInitializationEvent event){   
	super.init(event);	
	DMItems.registerRenders();
    }
    
@Override
    public void postInit(FMLPostInitializationEvent event){
	super.postInit(event);
    }
}

Reference File (Variables) :

package com.DJP.darkmattermod;

public class Reference {
public static final String MODID = "dm";
public static final String NAME = "DarkMatterMod";
public static final String VERSION = "0.1";

public static final String CLIENTPROXY = "com.DJP.darkmattermod.proxy.ClientProxy";
public static final String COMMONPROXY = "com.DJP.darkmattermod.proxy.CommonProxy";
}

Any help would be greatly appreciated!

[Egietje]

What is the name of the lang file?

[DJPGaming]

en_US.lang

[Egietje]

in what folder is it?