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How would I fix "The method func_77973_b() is undefined for the type ItemStack"


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I have a enchantment and in the enchant I keep getting the error "The method func_77973_b() is undefined for the type ItemStack" and "field_151122_aG cannot be resolved or is not a field"


How would I fix this?


Here is my code if it helps:

package io.github.yamiatem.fiery_stuff.core.enchantments;

import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentType;
import net.minecraft.inventory.EquipmentSlotType;
import net.minecraft.item.AxeItem;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
import net.minecraft.item.PickaxeItem;
import net.minecraft.item.ShovelItem;
import net.minecraft.util.ResourceLocation;

public class AutoSmelt
extends Enchantment {
    public AutoSmelt() {
        super(Enchantment.Rarity.RARE, EnchantmentType.DIGGER, new EquipmentSlotType[]{EquipmentSlotType.MAINHAND});
        this.setRegistryName(new ResourceLocation("auto-smelt", "auto-smelt"));

    public int func_77321_a(int enchantmentLevel) {
        return 20 * enchantmentLevel;

    public int func_223551_b(int enchantmentLevel) {
        return this.func_77321_a(enchantmentLevel) + 10;

    public boolean canApplyAtEnchantingTable(ItemStack stack) {
        return stack.func_77973_b().equals((Object)Items.field_151122_aG) ? true : stack.func_77973_b() instanceof PickaxeItem || stack.func_77973_b() instanceof ShovelItem || stack.func_77973_b() instanceof AxeItem || stack.func_77973_b().getRegistryName().func_110623_a().contains("paxel");


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Pretty sure those are the maxLevel and maxEnchantability methods (with maxEnchantability calling minEnchantability ).


Names approximate, but that should give you a thing to look for.

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