Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in C:\xampp\htdocs\Restaurant-0.3.1\vendor\laravel\socialite\src\SocialiteManager.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Restaurant-0.3.1\vendor\laravel\socialite\src\SocialiteManager.php on line 19