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