Fatal error: Uncaught Error: Class "Slim\Middleware" not found in /home/www/swittelecom.com/task_manager/libs/Slim/Middleware/PrettyExceptions.php:45 Stack trace: #0 {main} thrown in /home/www/swittelecom.com/task_manager/libs/Slim/Middleware/PrettyExceptions.php on line 45