Lesson 7 I can`t install hardhat-gas-reporter, please help me

[Luboy23]

after input ```yarn add hardhat-gas-reporter --dev.
I can`t use the hardhat-gas-reporter to test.
please help me ,thanks!

this is my package.json

{
  "name": "hardhat-simple-storage-fcc",
  "version": "1.0.0",
  "license": "MIT",
  "devDependencies": {
    "@ethersproject/abi": "^5.7.0",
    "@ethersproject/providers": "^5.7.2",
    "@nomicfoundation/hardhat-chai-matchers": "^1.0.6",
    "@nomicfoundation/hardhat-network-helpers": "^1.0.8",
    "@nomicfoundation/hardhat-toolbox": "^2.0.1",
    "@nomiclabs/hardhat-ethers": "^2.2.2",
    "@nomiclabs/hardhat-etherscan": "^3.1.6",
    "@typechain/ethers-v5": "^10.2.0",
    "@typechain/hardhat": "^6.1.5",
    "chai": "^4.3.7",
    "dotenv": "^16.0.3",
    "ethers": "^6.0.8",
    "hardhat": "^2.12.7",
    "hardhat-gas-reporter": "^1.0.9",
    "prettier": "^2.8.4",
    "prettier-plugin-solidity": "^1.1.2",
    "solidity-coverage": "^0.8.2",
    "typechain": "^8.1.1"
  }
}



this is the error page
```yarn add v1.22.19
[1/4] 🔍  Resolving packages...
[2/4] 🚚  Fetching packages...
[3/4] 🔗  Linking dependencies...
warning " > @nomicfoundation/hardhat-chai-matchers@1.0.6" has incorrect peer dependency "ethers@^5.0.0".
warning " > @nomicfoundation/hardhat-toolbox@2.0.1" has unmet peer dependency "@types/chai@^4.2.0".
warning " > @nomicfoundation/hardhat-toolbox@2.0.1" has unmet peer dependency "@types/mocha@>=9.1.0".
warning " > @nomicfoundation/hardhat-toolbox@2.0.1" has unmet peer dependency "@types/node@>=12.0.0".
warning " > @nomicfoundation/hardhat-toolbox@2.0.1" has incorrect peer dependency "ethers@^5.4.7".
warning " > @nomicfoundation/hardhat-toolbox@2.0.1" has unmet peer dependency "ts-node@>=8.0.0".
warning " > @nomicfoundation/hardhat-toolbox@2.0.1" has unmet peer dependency "typescript@>=4.5.0".
warning " > @nomiclabs/hardhat-ethers@2.2.2" has incorrect peer dependency "ethers@^5.0.0".
warning " > @typechain/ethers-v5@10.2.0" has unmet peer dependency "@ethersproject/bytes@^5.0.0".
warning " > @typechain/ethers-v5@10.2.0" has incorrect peer dependency "ethers@^5.1.3".
warning " > @typechain/ethers-v5@10.2.0" has unmet peer dependency "typescript@>=4.3.0".
warning "@typechain/ethers-v5 > ts-essentials@7.0.3" has unmet peer dependency "typescript@>=3.7.0".
warning " > @typechain/hardhat@6.1.5" has incorrect peer dependency "ethers@^5.4.7".
warning " > typechain@8.1.1" has unmet peer dependency "typescript@>=4.3.0".
warning "typechain > ts-command-line-args > @morgan-stanley/ts-mocking-bird@0.6.4" has unmet peer dependency "typescript@>=4.2".
[4/4] 🔨  Building fresh packages...
success Saved 1 new dependency.
info Direct dependencies
└─ hardhat-gas-reporter@1.0.9
info All dependencies
└─ hardhat-gas-reporter@1.0.9
✨  Done in 2.10s.

[Cointerior]

Hello, you've installed it already
it's already in your hardhat-config.js file
check well

[AmitKochar1]

second this, the hardhat gas-report is already in your package.json file