32 Chart read write PDF

03:40:23 Load Test from Xlsx file 36writeLineChart1.xlsx
03:40:23 Iterate worksheets looking at the charts
03:40:23 Worksheet: Data
03:40:23 chart1 - "Sales"
03:40:23
03:40:23 lineChart
Fatal error: Uncaught Error: Class 'Mpdf\Mpdf' not found in /home/a/avanta2018/msbaby.avanta2018.beget.tech/public_html/local/php_interface/include/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php:20 Stack trace: #0 /home/a/avanta2018/msbaby.avanta2018.beget.tech/public_html/local/php_interface/include/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php(69): PhpOffice\PhpSpreadsheet\Writer\Pdf\Mpdf->createExternalWriterInstance(Array) #1 /home/a/avanta2018/msbaby.avanta2018.beget.tech/public_html/local/php_interface/include/vendor/phpoffice/phpspreadsheet/samples/Chart/32_Chart_read_write_PDF.php(86): PhpOffice\PhpSpreadsheet\Writer\Pdf\Mpdf->save('/tmp/phpspreads...') #2 {main} thrown in /home/a/avanta2018/msbaby.avanta2018.beget.tech/public_html/local/php_interface/include/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php on line 20