Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in E:\Ampps\www\CAS\vendor\laravel\framework\src\Illuminate\Routing\SortedMiddleware.php:0 Stack trace: #0 {main} thrown in E:\Ampps\www\CAS\vendor\laravel\framework\src\Illuminate\Routing\SortedMiddleware.php on line 0