Fatal error: Uncaught Error: Class "Carbon\Carbon" not found in D:\xampp\htdocs\_test\ivvr-web-app\vendor\laravel\framework\src\Illuminate\Support\Carbon.php:11 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_test\ivvr-web-app\vendor\laravel\framework\src\Illuminate\Support\Carbon.php on line 11