Fatal error: Uncaught Error: Class "Illuminate\Support\Facades\Facade" not found in C:\WebServer\htdocs\bookshelf\vendor\laravel\socialite\src\Socialite.php:19 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\laravel\socialite\src\Socialite.php on line 19