How to fix this issue in Dompdf anyone help me please

TypeError Argument 2 passed to Barryvdh\DomPDF\PDF::loadView() must be of the type array, object given, called in C:\xampp\htdocs\new-temp\vendor\barryvdh\laravel-dompdf\src\Facade\Pdf.php on line 56 http://127.0.0.1:8000/admin/generate_certificate/11

$registration = DB::table('registrations')->find($id);
$pdf = PDF::loadView('admin.registrations.generate_certificate');
           $pdf->setPaper('A4', 'landscape');
           return $pdf->stream('pdfview.pdf');
{
return view('admin.registrations.generate_certificate', compact('registration'));
}