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angular - Error: No provider for t

I am trying to compile my angular code to production mode via ng build --prod and its successful but in browser I get the error :

ERROR p {__zone_symbol__error: Error: Uncaught (in promise): Error: NullInjectorError: No provider for t!

Error: NullInjectorError:…,?…}

where as when I run just ng build then the html works fine.

I have tried several links mentioned on git hub:

https://github.com/angular/angular/issues/19219 https://github.com/angular/angular-cli/issues/6851

Doesn't help much.

Attaching my Package.json file content:

{
  "name": "xxx",
  "version": "0.0.0",
  "license": "MIT",
  "angular-cli": {},
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "test": "ng test",
    "pree2e": "webdriver-manager update --standalone false --gecko false",
    "e2e": "protractor",
    "build": "ng build && node server.js",
    "dev": "ng build -w & nodemon server.js --watch dist --watch server",
    "production": "ng build --prod & node server.js dist server "
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "~5.0.0",
    "@angular/common": "~5.0.0",
    "@angular/compiler": "~5.0.0",
    "@angular/compiler-cli": "~5.0.0",
    "@angular/core": "~5.0.0",
    "@angular/forms": "~5.0.0",
    "@angular/http": "~5.0.0",
    "@angular/platform-browser": "~5.0.0",
    "@angular/platform-browser-dynamic": "~5.0.0",
    "@angular/router": "~5.0.0",
    "@jaspero/ng2-alerts": "0.0.7",
    "axios": "^0.17.0",
    "body-parser": "^1.18.2",
    "cookie-parser": "^1.4.3",
    "core-js": "^2.4.1",
    "ethereumjs-tx": "^1.3.3",
    "express": "^4.16.2",
    "express-session": "^1.15.6",
    "mongoose": "^4.12.6",
    "rxjs": "^5.0.1",
    "ts-helpers": "^1.1.1",
    "web3": "^1.0.0-beta.24",
    "web3-provider-engine": "^13.3.3",
    "zone.js": "^0.7.2"
  },
  "devDependencies": {
    "@angular/cli": "^1.5.0",
    "@angular/compiler-cli": "1.5.0",
    "@types/jasmine": "2.5.38",
    "@types/node": "^6.0.42",
    "codelyzer": "~2.0.0-beta.1",
    "jasmine-core": "2.5.2",
    "jasmine-spec-reporter": "2.5.0",
    "karma": "1.2.0",
    "karma-chrome-launcher": "^2.0.0",
    "karma-cli": "^1.0.1",
    "karma-jasmine": "^1.0.2",
    "karma-remap-istanbul": "^0.2.1",
    "protractor": "~4.0.13",
    "ts-node": "1.2.1",
    "tslint": "^4.3.0",
    "typescript": "2.4.2"
  }
}
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1 Answer

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You are trying to use a service that is not listed in providers of your AppModule. Add the service to a providers list to make it work.


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