Angular Routing, "No component factory found for LoginPageModule. Did you add it to @NgModule.entryComponents?)"

Ionic Framework Ionic Angular
4

login-routing.module.ts ↓

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';

import { LoginPage } from './login.page';

const routes: Routes = [
  {
    path: '',
    component: LoginPage
  }
];

@NgModule({
  imports: [RouterModule.forChild(routes)],
  exports: [RouterModule],
})
export class LoginPageRoutingModule {}

login.module.ts ↓

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { FormsModule } from '@angular/forms';

import { IonicModule } from '@ionic/angular';

import { LoginPageRoutingModule } from './login-routing.module';

import { LoginPage } from './login.page';

@NgModule({
  imports: [
    CommonModule,
    FormsModule,
    IonicModule,
    LoginPageRoutingModule
  ],
  declarations: [LoginPage]
})
export class LoginPageModule {}