Fatal error: Uncaught Error: Using $this when not in object context in D:\xampp-7\htdocs\gestmaj\mpdf8\vendor\mpdf\mpdf_\data\CJKdata.php:18 Stack trace: #0 {main} thrown in D:\xampp-7\htdocs\gestmaj\mpdf8\vendor\mpdf\mpdf_\data\CJKdata.php on line 18