Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Filesystem\Filesystem" not found in I:\www\frameworks\Laravel\vendor\laravel\framework\src\Illuminate\Filesystem\FilesystemAdapter.php:31 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\vendor\laravel\framework\src\Illuminate\Filesystem\FilesystemAdapter.php on line 31