laravel-dompdf return error,code not work

I have this code to try to generate a report as pdf:

$details=array(
    'id'=>$find->id,
    'full_letter_title'=>$find->full_letter_title,
    'smarok_no'=>$find->smarok_no
);
$data['details']=$details;


$pdf = PDF::loadView('letter.view', $data);
retu $pdf->stream();

But it retu error

ErrorException in Adobe_Font_Metrics.php line 42: fopen(C:xampphtdocsamsstoragefonts/ba50cf37c0b6d75f8275d2b44106f606.ufm): failed to open stream: No such file or directory

I cant understand whats wrong here.