title: Error loading document - Firestore database (Firebase)
body: <p>When I try to view the users in my database, I get this error:</p>
  
  <p><img src="https://i.stack.imgur.com/agEfE.png" alt="Image"></p>
  
  <p>But, when I try to register some users from my android application, it runs!</p>
  
  <hr>
  
  <p>There're too much errors... Loot at this...</p>
  
  <p><a href="https://i.stack.imgur.com/3SWLz.png" rel="nofollow noreferrer">Errors</a></p>
  
  <p><img src="https://i.stack.imgur.com/3SWLz.png" alt=""></p>