Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Model' not found in C:\laragon\www\iot.mksolusi\app\Models\Mrp\MrpProductStockCalculation.php:8 Stack trace: #0 {main} thrown in C:\laragon\www\iot.mksolusi\app\Models\Mrp\MrpProductStockCalculation.php on line 8