Fatal error: Uncaught Error: Undefined class constant 'SERVER' in /home/herut/public_html/model/db.class.php:39 Stack trace: #0 /home/herut/public_html/model/rain.class.php(33): db::getInstance() #1 /home/herut/public_html/controller/rainController.php(17): rain->__construct() #2 /home/herut/public_html/application/router.class.php(75): rainController->__construct(Object(Registry)) #3 /home/herut/public_html/index.php(29): router->loader() #4 {main} thrown in /home/herut/public_html/model/db.class.php on line 39