Step 2.5: Add chats page to the NgModule

src/app/app.module.ts

@@ -1,17 +1,20 @@
 import { NgModule, ErrorHandler } from '@angular/core';
 import { IonicApp, IonicModule, IonicErrorHandler } from 'ionic-angular';
+import { ChatsPage } from '../pages/chats/chats';
 import { MyApp } from './app.component';
 
 @NgModule({
   declarations: [
-    MyApp
+    MyApp,
+    ChatsPage
   ],
   imports: [
     IonicModule.forRoot(MyApp)
   ],
   bootstrap: [IonicApp],
   entryComponents: [
-    MyApp
+    MyApp,
+    ChatsPage
   ],
   providers: [{provide: ErrorHandler, useClass: IonicErrorHandler}]
 })