MongoDB cant get an item to be added to a shop schema

const { Schema, model } = require("mongoose");

const shopItemSchema = new Schema({
  itemName: String,         // Name of the item
  itemPrice: Number,        // Price of the item
  itemDescription: String,  // Description of the item
});

module.exports = model("ShopItem", shopItemSchema, "itemShop");

const { Schema, model } = require("mongoose");

const shopItemSchema = new Schema({
  itemName: String,         // Name of the item
  itemPrice: Number,        // Price of the item
  itemDescription: String,  // Description of the item
});

module.exports = model("ShopItem", shopItemSchema, "itemShop");

// commands/additem.js

const { CommandInteraction, MessageEmbed } = require('discord.js');
const ShopItem = require('../../schemas/shopItemModel');

module.exports = {
  data: {
    name: 'add-shop-item',
    description: 'Add an item to the shop',
    options: [
      {
        name: 'name',
        type: 'STRING',
        description: 'Name of the item',
        required: true,
      },
      {
        name: 'price',
        type: 'INTEGER',
        description: 'Price of the item',
        required: true,
      },
      {
        name: 'description',
        type: 'STRING',
        description: 'Description of the item',
        required: true,
      },
    ],
  },
  async execute(interaction) {
    try {
      const itemName = interaction.options.getString('name');
      const itemPrice = interaction.options.getInteger('price');
      const itemDescription = interaction.options.getString('description');

      const newItem = new ShopItem({
        itemName,
        itemPrice,
        itemDescription,
      });

      await newItem.save();

      const embed = new MessageEmbed()
        .setTitle('Item Added to Shop')
        .setColor('#27ae60')
        .setDescription(`Item: ${itemName}\nPrice: $${itemPrice}\nDescription: ${itemDescription}`);

      await interaction.reply({ embeds: [embed] });
    } catch (error) {
      console.error(error);
      await interaction.reply('An error occurred while adding the item to the shop.');
    }
  },
};

// commands/additem.js

const { CommandInteraction, MessageEmbed } = require('discord.js');
const ShopItem = require('../../schemas/shopItemModel');

module.exports = {
  data: {
    name: 'add-shop-item',
    description: 'Add an item to the shop',
    options: [
      {
        name: 'name',
        type: 'STRING',
        description: 'Name of the item',
        required: true,
      },
      {
        name: 'price',
        type: 'INTEGER',
        description: 'Price of the item',
        required: true,
      },
      {
        name: 'description',
        type: 'STRING',
        description: 'Description of the item',
        required: true,
      },
    ],
  },
  async execute(interaction) {
    try {
      const itemName = interaction.options.getString('name');
      const itemPrice = interaction.options.getInteger('price');
      const itemDescription = interaction.options.getString('description');

      const newItem = new ShopItem({
        itemName,
        itemPrice,
        itemDescription,
      });

      await newItem.save();

      const embed = new MessageEmbed()
        .setTitle('Item Added to Shop')
        .setColor('#27ae60')
        .setDescription(`Item: ${itemName}\nPrice: $${itemPrice}\nDescription: ${itemDescription}`);

      await interaction.reply({ embeds: [embed] });
    } catch (error) {
      console.error(error);
      await interaction.reply('An error occurred while adding the item to the shop.');
    }
  },
};