Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Pdf" not found in /home/superdentiste/public_html/essai_excel/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php:8 Stack trace: #0 {main} thrown in /home/superdentiste/public_html/essai_excel/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Pdf/Tcpdf.php on line 8