Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in C:\mywamp\sites\allsite\calcomposer\vendor\laravel\framework\src\Illuminate\Session\SessionManager.php:8 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\laravel\framework\src\Illuminate\Session\SessionManager.php on line 8