27 Images Html Pdf

Load Xlsx template file
Save as Xlsx
Load Xlsx
Hide grid lines
Set orientation to landscape
Write to PDF format using PhpOffice\PhpSpreadsheet\Writer\Pdf\Mpdf, and to Html

Fatal error: Uncaught Error: Class "Mpdf\Mpdf" not found in /home/ihlamberhl/devcnja/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php:22 Stack trace: #0 /home/ihlamberhl/devcnja/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php(43): PhpOffice\PhpSpreadsheet\Writer\Pdf\Mpdf->createExternalWriterInstance(Array) #1 /home/ihlamberhl/devcnja/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Helper/Sample.php(132): PhpOffice\PhpSpreadsheet\Writer\Pdf\Mpdf->save('/tmp/phpspreads...') #2 /home/ihlamberhl/devcnja/samples/Basic2/27_Images_Html_Pdf.php(37): PhpOffice\PhpSpreadsheet\Helper\Sample->write(Object(PhpOffice\PhpSpreadsheet\Spreadsheet), '/home/ihlamberh...', Array) #3 {main} thrown in /home/ihlamberhl/devcnja/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Mpdf.php on line 22