title: Laravel 6 Logging in with wrong password causes file_put_contents error
body: <p>I'm using Laravel 6 and the default auth package scaffolding.</p>
  
  <p>Registration works fine. The new users shows in the DB.
  Logging in with the correct PW successfully takes me to the home page but I've got a problem when entering a wrong password.</p>
  
  <p>It causes this error instead of complaining that the PW is wrong and this error is so vague. </p>
  
  <p>Things tried:
   1. Changing folder permission 775</p>
  
  <p>Untouched files:
  HomeController.php, login.blade.php(css stuff only), register.blade.php, home.blade.php</p>
  
  <p>There we're only some additional files and have their own controller and IMO has nothing to do with this issue. </p>
  
  <p><a href="https://i.stack.imgur.com/mfFwb.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mfFwb.png" alt="enter image description here"></a></p>