Fatal error: Uncaught Exception: Invalid parameter - id in /home/excellezny/www/framework/query.php:20 Stack trace: #0 /home/excellezny/www/controller/ControllerTraining.php(40): Query->getParameter('id') #1 /home/excellezny/www/framework/controller.php(24): ControllerTraining->showRegisterForm() #2 /home/excellezny/www/framework/router.php(15): Controller->executeAction('showRegisterFor...') #3 /home/excellezny/www/index.php(10): Router->routeQuery() #4 {main} thrown in /home/excellezny/www/framework/query.php on line 20