Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\londoncityroom\vendor\laravel\framework\src\Illuminate\Database\DatabaseServiceProvider.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\londoncityroom\vendor\laravel\framework\src\Illuminate\Database\DatabaseServiceProvider.php on line 13