Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\addfirst\Modules\UserMessaging\Providers\UserMessagingServiceProvider.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\addfirst\Modules\UserMessaging\Providers\UserMessagingServiceProvider.php on line 8