Warning: Private methods cannot be final as they are never overridden by other classes in /var/www/html/hub/system/Singleton.php on line 36

Fatal error: Uncaught Error: Call to undefined method System::show() in /var/www/html/hub/app_site/views/theme.php:76 Stack trace: #0 /var/www/html/hub/system/Controller.php(172): require() #1 /var/www/html/hub/app_site/controllers/indexController.php(35): Controller->loadView() #2 /var/www/html/hub/system/System.php(306): indexController->indexAction() #3 /var/www/html/hub/_index.php(76): System->run() #4 {main} thrown in /var/www/html/hub/app_site/views/theme.php on line 76