title: Firebase.Database.FirebaseException: Exception occured while processing the request
body: <blockquote>
    <p>Unhandled Exception: Firebase.Database.FirebaseException: Exception
    occured while processing the request. Url:
    <a href="https://mylimo-b2029.firebaseio.com/users/.json" rel="noreferrer">https://mylimo-b2029.firebaseio.com/users/.json</a> Request Data: 
    Response: {"first_name":"dsadas"} occurred</p>
  </blockquote>
  
  <p><code>Mainpage.xaml.cs</code>:</p>
  
  <pre><code> protected async override void OnAppearing()
      {
  
        base.OnAppearing();
         var allUsers = await firebaseHelper.GetAllUsers();
         lstPersons.ItemsSource = allUsers;
     }
  </code></pre>
  
  <p><code>Firebasehelper.cs</code>:</p>
  
  <pre><code>public async Task&lt;List&lt;Users&gt;&gt; GetAllUsers()
      {
  
          return (await firebase
            .Child("users")
  
            .OnceAsync&lt;Users&gt;()).Select(item =&gt; new Users
            {
                //user_id = item.Object.user_id,
                first_name = item.Object.first_name
            }).ToList();
      }
  </code></pre>