Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Auth\StatefulGuard' not found in /mnt/volume_lon1_01/backend/admin/vendor/laravel/framework/src/Illuminate/Auth/SessionGuard.php:27 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/admin/vendor/laravel/framework/src/Illuminate/Auth/SessionGuard.php on line 27