Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Notifications\ChannelManager.php:12 Stack trace: #0 {main} thrown in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Notifications\ChannelManager.php on line 12