Warning in console and error with usage after installing

[vicabelotelova]

After install i have some warnings
My app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule, ReactiveFormsModule  } from '@angular/forms';
import { HttpModule } from '@angular/http';
import { Routes, RouterModule } from '@angular/router';
@NgModule({
............................
imports: [
    BrowserModule,
    FormsModule,
    HttpModule,
   ..............................
    NgxTreeSelectModule.forRoot({
      idField: 'id',
      textField: 'name',
      expandMode: ExpandMode.Selection
    })
  ],
...........................
})

How i can fix it?
Im using angular v2.4