Trying to get property of non-object laravel 5.4

We have a project upgraded from laravel v 5.1 to v 5.4 and many issues and bugs appear after upgrade anyway have this one

Trying to get property of non-object for index.blade.php

and this is the code

<tbody>
 @foreach($routeFEmails as $routeFEmail)

 <tr>
 <td></td>
 <td> ()</td>
 <td>:&nbsp; </td>
 <td></td>
 <td></td>
  </tr>
  @endforeach
 </tbody>

i check model and no value from what mention is null no NULL

i did also

php artisan cache:clear 
php artisan route:clear 
php artisan view:clear 

HOW I CAN FIX THIS ? :(

via Chebli Mohamed