Error in exception handler: Trying to get property of non-object (View: /var/www/html/app/views/layouts/includes/navbar.blade.php) (View: /var/www/html/app/views/layouts/includes/navbar.blade.php) (View: /var/www/html/app/views/layouts/includes/navbar.blade.php) in /var/www/html/app/helper/UserRole.php:56