Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\laravel\framework\src\Illuminate\Notifications\ChannelManager.php:12 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\laravel\framework\src\Illuminate\Notifications\ChannelManager.php on line 12