Fatal error: Uncaught Error: Class "PHPExcel_Shared_File" not found in /var/www/erp/PHPExcel-1.8.porsi/Classes/PHPExcel/Shared/ZipArchive.php:4
Stack trace:
#0 {main}
thrown in /var/www/erp/PHPExcel-1.8.porsi/Classes/PHPExcel/Shared/ZipArchive.php on line 4