Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in C:\Xampp\www\0050467\ims-mobile\vendor\laravel\framework\src\Illuminate\Notifications\ChannelManager.php:12 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor\laravel\framework\src\Illuminate\Notifications\ChannelManager.php on line 12