Fatal error: Uncaught Error: Class 'PHPExcel_Shared_File' not found in /opt/lampp/htdocs/123playnow-external/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php:29 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/123playnow-external/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php on line 29