Fatal error: Uncaught Error: Class "ZipStream\Exception" not found in /home/demohost/hospital.demohost.in/vendor/maennchen/zipstream-php/src/Exception/SimulationFileUnknownException.php:13 Stack trace: #0 {main} thrown in /home/demohost/hospital.demohost.in/vendor/maennchen/zipstream-php/src/Exception/SimulationFileUnknownException.php on line 13