Fail load systemJs

[diegoa1989]

I have this error:

I Install ng2-wizard from npm.
Then I inclued in the systemJs:
'ng2-wizard': 'npm:ng2-wizard/index.js',

And I inclued in the file app.module.ts:
import { WizardComponent, WizardStepComponent } from 'ng2-wizard';

@NgModule({
imports: [
BrowserModule,
AppRoutingModule,
WizardComponent,
WizardStepComponent
],

but I have this error:

[fssolutions]

Add Modules in last version. Please try again.