Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in D:\programs\xampp\htdocs\backend-test\app\Models\DB2\ReferenceStyle.php:8 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\app\Models\DB2\ReferenceStyle.php on line 8