Lesson 7: Error: Cannot find module 'nomiclabs/hardhat-waffle'

[arifulone]

i am on Lesson 7: hardhat FundMe . 10:59:00 on youtube . here is
hardhat.config.js :-

require("@nomicfoundation/hardhat-toolbox");
require("@nomiclabs/hardhat-solhint");
require("hardhat-deploy")
require("nomiclabs/hardhat-waffle");


const GOERLI_RPC_URL = process.env.GOERLI_RPC_URL
const PRIVATE_KEY =  process.env.PRIVATE_KEY
const COINMARKETCAP_API_KEY = process.env.COINMARKETCAP_API_KEY
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY


module.exports = {
    solidity: {
        compilers: [
            {
                version: "0.8.7",
            },
            {
                version: "0.6.6",
            },
        ],
    },
  defaultNetwork:"hardhat",
  networks:{
    goerli:{
        url: GOERLI_RPC_URL ,
        accounts:[PRIVATE_KEY],
        chainId:5,
        blockConfirmations:6,
    },
  },
    gasReporter : {
        enabled : false ,
        outputFile: "gas-report.txt",
        noColors : "USD",
        coinmarketcap:COINMARKETCAP_API_KEY ,
        token : "MATIC",
    },
    etherscan:{
        apikey : ETHERSCAN_API_KEY
    },
  namedAccounts: {
        deployer: {
            default: 0, // here this will by default take the first account as deployer
            1: 0, // similarly on mainnet it will take the first account as deployer. Note though that depending on how hardhat network are configured, the account 0 on one network can be different than on another
        },
    },
};

verify.js :-

const { run } = require("hardhat")

const verify = async (contractAddress, args) => {
  console.log("Verifying contract...")
  try {
    await run("verify:verify", {
      address: contractAddress,
      constructorArguments: args,
    })
  } catch (e) {
    if (e.message.toLowerCase().includes("already verified")) {
      console.log("Already verified!")
    } else {
      console.log(e)
    }
  }
}

module.exports = { verify }

01-deploy-fund-me.js :-

const{networkConfig, developmentChains} = require("../helper-hardhat-config")
const { network, deployments } = require("hardhat")
const {verify} = require("../utils/verify")


// function deployFunc(){
//     console.log("Hi")

// }

// module.exports.default = deployFunc

module.exports = async({getNamedAccounts,deployments})=>{
    const{deploy,log } = deployments
    const {deployer} = await getNamedAccounts()
    const chainId = network.config.chainId

    let ethUsdPriceFeedAddress 
    if(developmentChains.includes(network.name)){
        const ethUsdAggregator = await deployments.get("MockV3Aggregator")
        ethUsdPriceFeedAddress = ethUsdAggregator.address
    }
    else{
        ethUsdPriceFeedAddress = networkConfig[chainId]["ethUsdPriceFeed"]
    }
    const args = [ethUsdPriceFeedAddress]
    const fundMe = await deploy("FundMe",{
    from:deployer,
    args:args,
    log:true,
    waitConfirmations:network.config.blockConfirmations || 1,

    })

    if (!developmentChains.includes(network.name) && process.env.ETHERSCAN_API_KEY) {
        await verify(fundMe.address,args)
    }
    log("____________________________")

}
 
module.exports.tags = ["all","fundme"]

After i run this command:
yarn hardhat deploy --network goerli
gave this error :-

yarn run v1.22.19
warning package.json: No license field
$ /home/arifulfeni/folder/hardhat-fundMe-fcc/node_modules/.bin/hardhat deploy --network goerli
An unexpected error occurred:

Error: Cannot find module 'nomiclabs/hardhat-waffle'
Require stack:
- /home/arifulfeni/folder/hardhat-fundMe-fcc/hardhat.config.js
- /home/arifulfeni/folder/hardhat-fundMe-fcc/node_modules/hardhat/internal/core/config/config-loading.js
- /home/arifulfeni/folder/hardhat-fundMe-fcc/node_modules/hardhat/internal/cli/cli.js
    at Function.Module._resolveFilename (node:internal/modules/cjs/loader:933:15)
    at Function.Module._load (node:internal/modules/cjs/loader:778:27)
    at Module.require (node:internal/modules/cjs/loader:1005:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object.<anonymous> (/home/arifulfeni/folder/hardhat-fundMe-fcc/hardhat.config.js:4:1)
    at Module._compile (node:internal/modules/cjs/loader:1103:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1157:10)
    at Module.load (node:internal/modules/cjs/loader:981:32)
    at Function.Module._load (node:internal/modules/cjs/loader:822:12)
    at Module.require (node:internal/modules/cjs/loader:1005:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/home/arifulfeni/folder/hardhat-fundMe-fcc/hardhat.config.js',
    '/home/arifulfeni/folder/hardhat-fundMe-fcc/node_modules/hardhat/internal/core/config/config-loading.js',
    '/home/arifulfeni/folder/hardhat-fundMe-fcc/node_modules/hardhat/internal/cli/cli.js'
  ]
}
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

[rin-st]

change to require("@nomiclabs/hardhat-waffle");

[alymurtazamemon]

@arf92 Just remove this line require("nomiclabs/hardhat-waffle"); from hardhat.config.js file and let me know if you face other isssues.