title: Firebase Google authentication error in ionic3
body: <p>auth.ts </p>
  
  <pre><code>signInWithGoogle(): firebase.Promise&lt;any&gt; {
  return this.afAuth.auth.signInWithRedirect(new firebase.auth.GoogleAuthProvider());}
  </code></pre>
  
  <p>login.ts </p>
  
  <pre><code>loginGoogle() {
  this.authData.signInWithGoogle().then(() =&gt; {
    this.navCtrl.push(TabsPage);
  }, error =&gt; {
    this.presentToast("Invalid user details");
  });}
  </code></pre>
  
  <p>Open the google account selector and app working smoothly in mobile when select and account to authenticate from the list it display a message</p>
  
  <p><strong>mobile app identifier is not registered for the current project</strong> </p>
  
  <p>Message showing:</p>
  
  <p><a href="https://i.stack.imgur.com/HLHQ5.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HLHQ5.jpg" alt="Message showing is..."></a></p>
  
  <p>Please help me to solve this. Thank you!</p>