32 Chart read write PDF

04:56:25 Load Test from Xlsx file 36writeLineChart1.xlsx
04:56:25 Iterate worksheets looking at the charts
04:56:25 Worksheet: Data
04:56:25 chart1 - "Sales"
04:56:25
04:56:25 lineChart

Fatal error: Class 'Mpdf\Mpdf' not found in /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php on line 20