Error: Unexpected value 'undefined' imported by the module

Question

I\'m getting this error after migrating to NgModule, the error doesn\'t help too much, any advice please?

Error: Error: Unexpected value \'undefined\' import         


        

Answer 1

Make sure you should not import a module/component like this:

import { YOUR_COMPONENT } from './';

But it should be

import { YOUR_COMPONENT } from './YOUR_COMPONENT.ts';