I need help...

Umm... Right clicking works though... The damaging doesn't...

warning: [options] bootstrap class path not set in conjunction with -source 1.6
C:\Pylo\MCreator175\forge\build\sources\main\java\mod\mcreator\mcreator_voidSword.java:126: error: cannot find symbol
                    itemstack.damageItem(1, entity);
                    ^
  symbol: variable itemstack
C:\Pylo\MCreator175\forge\build\sources\main\java\mod\mcreator\mcreator_voidPickaxe.java:107: error: cannot find symbol
                    itemstack.damageItem(1, entity);
                    ^
  symbol: variable itemstack
C:\Pylo\MCreator175\forge\build\sources\main\java\mod\mcreator\mcreator_voidBreaker.java:89: error: cannot find symbol
                    itemstack.damageItem(1, entity);
                    ^
  symbol: variable itemstack
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: C:\Pylo\MCreator175\forge\build\sources\main\java\mod\mcreator\mcreator_voidGun.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
3 errors
1 warning

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

I tried again... Here is the log 

And here is the code for one of the items

import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.common.util.EnumHelper;

import net.minecraft.world.World;
import net.minecraft.util.EnumParticleTypes;
import net.minecraft.util.EnumHand;
import net.minecraft.util.ActionResult;
import net.minecraft.server.MinecraftServer;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemPickaxe;
import net.minecraft.item.Item;
import net.minecraft.init.Blocks;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.effect.EntityLightningBolt;
import net.minecraft.client.renderer.block.model.ModelResourceLocation;
import net.minecraft.client.Minecraft;

import java.util.Set;
import java.util.Random;
import java.util.HashMap;

public class mcreator_voidPickaxe {

    public mcreator_voidPickaxe() {
    }

    public static Item block;
    public static Object instance;

    public void load(FMLInitializationEvent event) {
        ItemStack stack = new ItemStack(block, 1);
        if (event.getSide() == Side.CLIENT)
            Minecraft.getMinecraft().getRenderItem().getItemModelMesher()
                    .register(block, 0, new ModelResourceLocation("testenvironmentmod:voidpickaxe", "inventory"));

        GameRegistry.addRecipe(stack, new Object[]{"012", "345", "678", Character.valueOf('0'), mcreator_voidBlock.block, Character.valueOf('1'),
                mcreator_voidBlock.block, Character.valueOf('2'), mcreator_voidBlock.block, Character.valueOf('3'), mcreator_netherStarBlock.block,
                Character.valueOf('4'), Blocks.OBSIDIAN, Character.valueOf('5'), mcreator_netherStarBlock.block, Character.valueOf('6'),
                mcreator_netherStarBlock.block, Character.valueOf('7'), Blocks.OBSIDIAN, Character.valueOf('8'), mcreator_netherStarBlock.block,});
    }

    public void generateNether(World world, Random random, int chunkX, int chunkZ) {
    }

    public void generateSurface(World world, Random random, int chunkX, int chunkZ) {
    }

    public int addFuel(ItemStack fuel) {
        return 0;
    }

    public void serverLoad(FMLServerStartingEvent event) {
    }

    public void preInit(FMLPreInitializationEvent event) {
    }

    public void registerRenderers() {
    }

    static {
        Item.ToolMaterial enumt = EnumHelper.addToolMaterial("VOIDPICKAXE", 5, 1000, 30F, 5, 50);
        block = (Item) (new ItemPickaxe(enumt) {
            public Set<String> getToolClasses(ItemStack stack) {
                HashMap<String, Integer> ret = new HashMap<String, Integer>();
                ret.put("pickaxe", 5);
                return ret.keySet();
            }

            @Override
            public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer entity, EnumHand hand) {
                float var4 = 1.0F;
                ActionResult<ItemStack> ar = super.onItemRightClick(world, entity, hand);
                int i = (int) (entity.prevPosX + (entity.posX - entity.prevPosX) * (double) var4);
                int j = (int) (entity.prevPosY + (entity.posY - entity.prevPosY) * (double) var4 + 1.62D);
                int k = (int) (entity.prevPosZ + (entity.posZ - entity.prevPosZ) * (double) var4);

                if (true) {
                    if (entity instanceof EntityPlayerMP) {
                        MinecraftServer minecraftserver = FMLCommonHandler.instance().getMinecraftServerInstance();
                        if (minecraftserver != null)
                            minecraftserver.getCommandManager().executeCommand((EntityPlayerMP) entity, "gamerule sendCommandFeedback false");
                    }
                }

                if (true) {
                    if (entity instanceof EntityPlayerMP) {
                        MinecraftServer minecraftserver = FMLCommonHandler.instance().getMinecraftServerInstance();
                        if (minecraftserver != null)
                            minecraftserver.getCommandManager().executeCommand((EntityPlayerMP) entity, "fill ~5 ~5 ~5 ~-5 ~ ~-5 air 0 destroy");
                    }
                }

                if (true) {
                    world.spawnParticle(EnumParticleTypes.PORTAL, (double) i, (double) 1, (double) k, 2.0D, 2.0D, 2.0D);
                }

                if (true) {
                    itemstack.damageItem(1, entity);
                }

                return ar;
            }

            @Override
            public void onCreated(ItemStack itemstack, World world, EntityPlayer entity) {
                super.onCreated(itemstack, world, entity);
                float var4 = 1.0F;
                int i = (int) (entity.prevPosX + (entity.posX - entity.prevPosX) * (double) var4);
                int j = (int) (entity.prevPosY + (entity.posY - entity.prevPosY) * (double) var4 + 1.62D);
                int k = (int) (entity.prevPosZ + (entity.posZ - entity.prevPosZ) * (double) var4);

                if (true) {
                    world.spawnEntity(new EntityLightningBolt(world, i, j, k, false));
                }

            }
        }).setUnlocalizedName("VoidPickaxe");
        block.setRegistryName("VoidPickaxe");
        GameRegistry.register(block);
        block.setCreativeTab(mcreator_voidTab.tab);

    }

}