Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in E:\xampp\htdocs\stms\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Collection.php:13 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Collection.php on line 13