app.module.ts

import { ReactiveFormsModule } from '@angular/forms';

import { NgReduxModule } from '@angular-redux/store';
import { NgReduxFormModule } from '@angular-redux/form';

@NgModule({
  ...
  imports: [
    BrowserModule,
    IonicModule.forRoot(MyApp),
    ReactiveFormsModule,
    NgReduxFormModule,
    NgReduxModule
  ],
  providers: [
    StatusBar,
    SplashScreen,
    {provide: ErrorHandler, useClass: IonicErrorHandler}
  ]
})
export class AppModule {}