Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\webs\adminolt\vendor\laravel\pail\src\PailServiceProvider.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\webs\adminolt\vendor\laravel\pail\src\PailServiceProvider.php on line 15