Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in D:\Apache24\www\pl_mes\back\mes-backstage\app\Models\BasicInfo\Machine.php:9 Stack trace: #0 {main} thrown in D:\Apache24\www\pl_mes\back\mes-backstage\app\Models\BasicInfo\Machine.php on line 9