npm ERR! git dep preparation failed when trying to install package.json

Issue

I'm trying to install package.json file using the command npm install, but I'm getting the following error.

npm ERR! git dep preparation failed
npm ERR! command C:\Program Files\nodejs\node.exe C:\Users\DHRUV\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js install --force --cache=C:\Users\DHRUV\AppData\Local\npm-cache --prefer-offline=false --prefer-online=false --offline=false --no-progress --no-save --no-audit
npm ERR! npm WARN using --force Recommended protections disabled.
npm ERR! npm ERR! code 128
npm ERR! npm ERR! command failed
npm ERR! npm ERR! command git ls-remote ssh://git@github.com/gulpjs/gulp.git
npm ERR! npm ERR! Host key verification failed.
npm ERR! npm ERR! fatal: Could not read from remote repository.
npm ERR! npm ERR!
npm ERR! npm ERR! Please make sure you have the correct access rights
npm ERR! npm ERR! and the repository exists.
npm ERR!

I have installed Git and node.

package.json:

{
  "name": "LandTransfer",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test --watch=false",
    "lint": "ng lint",
    "e2e": "ng e2e",
    "postinstall": "node patch.js"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "7.1.0",
    "@angular/cdk": "^7.1.0",
    "@angular/common": "7.1.0",
    "@angular/compiler": "7.1.0",
    "@angular/core": "7.1.0",
    "@angular/forms": "7.1.0",
    "@angular/http": "7.1.0",
    "@angular/material": "^7.1.0",
    "@angular/platform-browser": "7.1.0",
    "@angular/platform-browser-dynamic": "7.1.0",
    "@angular/platform-server": "7.1.0",
    "@angular/router": "7.1.0",
    "bootstrap": "^4.3.1",
    "core-js": "^2.5.7",
    "ethers": "^4.0.20",
    "rxjs": "^6.3.3",
    "truffle-contract": "^4.0.1",
    "tslib": "^1.9.0",
    "typedarray-to-buffer": "^3.1.5",
    "web3": "1.0.0-beta.37",
    "zone.js": "^0.8.26"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "^0.12.1",
    "@angular-devkit/core": "0.8.1",
    "@angular/cli": "^7.1.0",
    "@angular/compiler-cli": "7.1.0",
    "@angular/language-service": "7.1.0",
    "@types/jasmine": "^2.8.12",
    "@types/jasminewd2": "^2.0.6",
    "@types/node": "^6.14.2",
    "codelyzer": "^4.4.4",
    "jasmine-core": "^2.99.1",
    "jasmine-spec-reporter": "^4.2.1",
    "karma": "^3.1.1",
    "karma-chrome-launcher": "^2.2.0",
    "karma-cli": "^1.0.1",
    "karma-coverage-istanbul-reporter": "^1.4.3",
    "karma-jasmine": "^1.1.2",
    "karma-jasmine-html-reporter": "^0.2.2",
    "protractor": "^5.4.1",
    "protractor-console-plugin": "^0.1.1",
    "ts-node": "^3.3.0",
    "tslint": "^5.11.0",
    "typescript": "3.1.6",
    "webpack": "^4.26.1",
    "webpack-dev-server": "^3.1.10"
  }
}

Solution

Try this

Step 1:

$ npm cache clean --force

Step 2:

Delete node_modules by $ rm -rf node_modules also delete package-lock.json

Step 3:

Update the npm to the latest stable version

npm install -g npm@7.6.0

Step 3:

npm install

To start again,

$ npm start

Answered By - Tanmoy Bhattacharjee