Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Collection.php:19 Stack trace: #0 {main} thrown in A:\risk_server\project\hr-server\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Collection.php on line 19