Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Filesystem\Filesystem" not found in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Filesystem\FilesystemAdapter.php:30 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\laravel\framework\src\Illuminate\Filesystem\FilesystemAdapter.php on line 30