How to clear this problems for dompdf file so please help me.
require_once 'dompdf / autoload.inc.php';
//Reference the Dompdf namespace
use Dompdf\Dompdf;
$html = $this->load->view('mobileuserprint',$customers,true);
$domdpf = new Dompdf();
$domdpf->loadHtml($html);
$domdpf->setPaper('A4','landscape');
$domdpf->render();