Pulling Data From Firebase .list is not a function error

Trying to pull data from firebase and display.i keep taking this error:
TypeError: _this.db.list(…).subscribe is not a function

import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';
import {AngularFireAuth} from 'angularfire2/auth';
import {AngularFireDatabase,FirebaseListObservable} from 'angularfire2/database';

  selector: 'page-profile',
  templateUrl: 'profile.html'

export class ProfilePage {
  profileData: FirebaseListObservable<any>

  constructor(private fire:AngularFireAuth,private db :AngularFireDatabase,public navCtrl: NavController) {

this.fire.authState.subscribe(auth =>{

this.db.list(`/profile/${auth.uid}`).subscribe(profile => {





Any ideas ?

Are you using 5.0?

If so, according to the changelog you need to do this now:

Or in your case:

tried adding as you did but nothing changed.

What version of AngularFireDatabase are you using?