Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in C:\PHP\APPS\staging\aictec_zonetec_web\app\Models\VisitorGroup.php:9 Stack trace: #0 {main} thrown in C:\PHP\APPS\staging\aictec_zonetec_web\app\Models\VisitorGroup.php on line 9