Compilation error is thrown: "Module not found: Error: Can't resolve 'igniteui-angular2'" (v5.0.1)

[norikois]

Compilation error is thrown: "Module not found: Error: Can't resolve 'igniteui-angular2'"

Steps to reproduce

1. Execute the following commands:

ng new my-app1
cd my-app1
npm install igniteui-angular2@5.0.1

2. Copy the following files in the attached file "sources.zip".
   index.html: to my-app1\src
   app.component.html, app.component.ts, app.module.ts: to my-app1\src\app

3. npm start

Result

ERROR in ./src/app/app.module.ts
Module not found: Error: Can't resolve 'igniteui-angular2' in 'my-app1\src\app'

Expected result

No error is thrown and compilation succeeds.

NOTE:
When you install igniteui-angular2@4.1.1, no error is thrown and compilation succeeds.

Attachments

Attach a sample if available, and screenshots, if applicable.
sources.zip