Fatal error: Uncaught Error: Class 'PHPExcel_Shared_File' not found in /app/web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php:4 Stack trace: #0 {main} thrown in /app/web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php on line 4