Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Auth\StatefulGuard" not found in /home/sustaina/public_html/vendor/laravel/framework/src/Illuminate/Auth/SessionGuard.php:29 Stack trace: #0 {main} thrown in /home/sustaina/public_html/vendor/laravel/framework/src/Illuminate/Auth/SessionGuard.php on line 29