fixes

app/Http/Controllers/Agent/helpdesk/ReportController.php

@@ -9,8 +9,9 @@ use App\Model\helpdesk\Manage\Help_topic;
 use App\Model\helpdesk\Ticket\Tickets;
 // Model
 use Illuminate\Http\Request;
+use Vsmoraes\Pdf\PdfFacade;
+
 // classes
-use PDF;
 
 /**
  * ReportController
@@ -263,6 +264,6 @@ class ReportController extends Controller
         $html = view('themes.default1.agent.helpdesk.report.pdf', compact('table_datas', 'table_help_topic'))->render();
         $html1 = mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8');
 
-        return @PDF::load($html1)->show();
+        return PdfFacade::load($html1)->show(false, false, false);
     }
 }