Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\Xlsx\WriterPart" not found in /home/instituto/public_html/sapc/laravel/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php:13 Stack trace: #0 {main} thrown in /home/instituto/public_html/sapc/laravel/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/StringTable.php on line 13