Updated to 3.9.0 is giving a issue

i have updated two apps for 3.9.0. smaller one is working fine but in second app it is giving this issue…

Module not found: Error: Can't resolve './app.module.ngfactory'
  using description file: E:\Working Project\test\package.json (relative path: ./src/app)
    Field 'browser' doesn't contain a valid alias configuration
  after using description file: E:\Working Project\test\package.json (relative path: ./src/app)
    using description file: E:\Working Project\test\package.json (relative path: ./src/app/app.module.ngfactory)
      no extension
        Field 'browser' doesn't contain a valid alias configuration
        E:\Working Project\test\src\app\app.module.ngfactory doesn't exist
      .ts
        Field 'browser' doesn't contain a valid alias configuration
        E:\Working Project\test\src\app\app.module.ngfactory.ts doesn't exist
      .js

this error comes with production tag only.

Did you have found a solution for this?

no. is there any thing from your side…
you can track it here as well