Fatal error: Uncaught Error: Class 'ZipStream\Exception' not found in /home/edmedu/www/edmclass.com.bak/edmclass-admin/vendor/maennchen/zipstream-php/src/Exception/SimulationFileUnknownException.php:13 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-admin/vendor/maennchen/zipstream-php/src/Exception/SimulationFileUnknownException.php on line 13