title: Facing error in Angular project due to Ngrx version
body: <p>I deleted the node_modules and re-installed it.But still I am facing errors. Please let me know what I am doing wrong.</p>
  
  <p>Checked the updated versions.
  My Node version is 8.12.0
  my NPM version is 6.4.1</p>
  
  <p>Below is the error which I am facing</p>
  
  <pre><code>ERROR in node_modules/@ngrx/store/src/store.d.ts(30,31): error TS2304: Cannot find name 'Extract'.
  node_modules/@ngrx/store/src/store_module.d.ts(23,154): error TS2315: Type 'ModuleWithProviders' is not generic.
  node_modules/@ngrx/store/src/store_module.d.ts(24,178): error TS2315: Type 'ModuleWithProviders' is not generic.
  node_modules/@ngrx/store/src/store_module.d.ts(25,171): error TS2315: Type 'ModuleWithProviders' is not generic.
  </code></pre>
  
  <p><code>Below is package.json file</code></p>
  
  <pre><code>  "dependencies": {
      "@angular/animations": "^6.0.0",
      "@angular/common": "^6.0.0",
      "@angular/compiler": "^6.0.0",
      "@angular/core": "^6.0.0",
      "@angular/forms": "^6.0.0",
      "@angular/http": "^6.0.0",
      "@angular/platform-browser": "^6.0.0",
      "@angular/platform-browser-dynamic": "^6.0.0",
      "@angular/router": "^6.0.0",
      "@ngrx/effects": "^7.0.0",
      "@ngrx/store": "^7.0.0",
      "bootstrap": "^4.1.0",
      "core-js": "^2.5.4",
      "rxjs": "^6.1.0",
      "zone.js": "^0.8.26"
    },
    "devDependencies": {
      "@angular/compiler-cli": "^6.0.0",
      "@angular-devkit/build-angular": "~0.6.0",
      "typescript": "~2.7.2",
      "@angular/cli": "~6.0.0",
      "@angular/language-service": "^6.0.0",
      "@types/jasmine": "~2.8.6",
      "@types/jasminewd2": "~2.0.3",
      "@types/node": "~8.9.4",
      "angular-in-memory-web-api": "0.6.0",
      "codelyzer": "~4.2.1",
      "jasmine-core": "~2.99.1",
      "jasmine-spec-reporter": "~4.2.1",
      "karma": "~1.7.1",
      "karma-chrome-launcher": "~2.2.0",
      "karma-coverage-istanbul-reporter": "~1.4.2",
      "karma-jasmine": "~1.1.1",
      "karma-jasmine-html-reporter": "^0.2.2",
      "protractor": "~5.3.0",
      "ts-node": "~5.0.1",
      "tslint": "~5.9.1"
    }
  }
  </code></pre>