title: Module not found: Error: Can't resolve './app.module.ngfactory' - ionic 3, angular 5
body: <p>After I installed ngx-translate module into the ionic app and implemented translations all over the custom pages I can't build my app anymore. </p>
  
  <p>When I run </p>
  
  <pre><code>$ ionic cordova build browser --prod
  </code></pre>
  
  <p>I get the following exception:</p>
  
  <pre><code>Running app-scripts build: --prod --platform browser --target cordova
  [15:30:02]  build prod started ... 
  [15:30:02]  clean started ... 
  [15:30:02]  clean finished in 3 ms 
  [15:30:02]  copy started ... 
  [15:30:03]  deeplinks started ... 
  [15:30:03]  deeplinks finished in 207 ms 
  [15:30:03]  ngc started ... 
  [15:30:09]  ngc finished in 6.48 s 
  [15:30:09]  preprocess started ... 
  [15:30:09]  preprocess finished in 1 ms 
  [15:30:09]  webpack started ... 
  [15:30:09]  copy finished in 6.93 s 
  Error: ./src/app/main.ts
  Module not found: Error: Can't resolve './app.module.ngfactory' in '/projects/myApp/src/app'
  resolve './app.module.ngfactory' in '/projects/myApp/src/app'
    using description file: /projects/myApp/package.json (relative path: ./src/app)
      Field 'browser' doesn't contain a valid alias configuration
    after using description file: /projects/myApp/package.json (relative path: ./src/app)
      using description file: /projects/myApp/package.json (relative path: ./src/app/app.module.ngfactory)
        no extension
          Field 'browser' doesn't contain a valid alias configuration
          /projects/myApp/src/app/app.module.ngfactory doesn't exist
        .ts
          Field 'browser' doesn't contain a valid alias configuration
          /projects/myApp/src/app/app.module.ngfactory.ts doesn't exist
        .js
          Field 'browser' doesn't contain a valid alias configuration
          /projects/myApp/src/app/app.module.ngfactory.js doesn't exist
        .json
          Field 'browser' doesn't contain a valid alias configuration
          /projects/myApp/src/app/app.module.ngfactory.json doesn't exist
        as directory
          /projects/myApp/src/app/app.module.ngfactory doesn't exist
  [/projects/myApp/src/app/app.module.ngfactory]
  [/projects/myApp/src/app/app.module.ngfactory.ts]
  [/projects/myApp/src/app/app.module.ngfactory.js]
  [/projects/myApp/src/app/app.module.ngfactory.json]
  [/projects/myApp/src/app/app.module.ngfactory]
   @ ./src/app/main.ts 2:0-60
      at new BuildError (/projects/myApp/node_modules/@ionic/app-scripts/dist/util/errors.js:16:28)
      at callback (/projects/myApp/node_modules/@ionic/app-scripts/dist/webpack.js:121:28)
      at emitRecords.err (/projects/myApp/node_modules/@ionic/app-scripts/node_modules/webpack/lib/Compiler.js:269:13)
      at Compiler.emitRecords (/projects/myApp/node_modules/@ionic/app-scripts/node_modules/webpack/lib/Compiler.js:375:38)
      at emitAssets.err (/projects/myApp/node_modules/@ionic/app-scripts/node_modules/webpack/lib/Compiler.js:262:10)
      at applyPluginsAsyncSeries1.err (/projects/myApp/node_modules/@ionic/app-scripts/node_modules/webpack/lib/Compiler.js:368:12)
      at next (/projects/myApp/node_modules/tapable/lib/Tapable.js:218:11)
      at Compiler.compiler.plugin (/projects/myApp/node_modules/@ionic/app-scripts/node_modules/webpack/lib/performance/SizeLimitsPlugin.js:99:4)
      at Compiler.applyPluginsAsyncSeries1 (/projects/myApp/node_modules/tapable/lib/Tapable.js:222:13)
      at Compiler.afterEmit (/projects/myApp/node_modules/@ionic/app-scripts/node_modules/webpack/lib/Compiler.js:365:9)
  </code></pre>
  
  <p>I tried every possible solution I could find on google and nothing worked. </p>